CBSE > Class 10 > Science | CBSE Board | Homework Help

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1Thank You

Vaishnavi Chauhab 5 years, 11 months ago

??????? ?❤❤?❤❤? ❤??❤??❤ ❤?????❤ ?❤???❤? ??❤?❤?? ???❤??? ???????

2Thank You

Miss. 1234 5 years, 11 months ago

6Thank You

Aadya Singh ? 5 years, 11 months ago

5Thank You

ANSWER

What is the role of cuticle

Posted by Simple Agrahari 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Simple Agrahari 5 years, 11 months ago

Ya u right

0Thank You

Piyush Kr.?? 5 years, 11 months ago

The function of cuticle is as a water permeability that prevents evaporation of water from the epidermal surface and also prevents foreign materials from Entering in the tissues....

1Thank You

ANSWER

'Blobs' that develop at the tips of the non- reproductive threads in Rhizopus.

Posted by Bijendra Yadav 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Piyush Kr.?? 5 years, 11 months ago

Sporangium

2Thank You

ANSWER

Write the steps how you can control the birth rate

Posted by Tushar Madhray 5 years, 11 months ago

CBSE > Class 10 > Science

4 answers

Khushi Pandey 5 years, 11 months ago

By using condoms

0Thank You

Pooja Sah 5 years, 11 months ago

By surgical method or barrier method

0Thank You

Piyush Kr.?? 5 years, 11 months ago

By the use contraceptives methods including barrier metods(diaphragm,condoms), oral pills(plan B), CuT(copper T,loop), surgical methods (Tubectomy,Vasectomy) etc...

0Thank You

Rajeev Joshi 5 years, 11 months ago

By using confoms

1Thank You

ANSWER

Properties of ethanol and ethanoic acid

Posted by George Andrew ???? 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Aadya Singh ? 5 years, 11 months ago

Ethanoic acid - It is commonly known as acetic acid and belongs to a group of Carboxylic acid.. 5-8℅ solution of acetic acid in water known as vinegar...the melting point of pure ethanoic acid is 290K and hence it freezes during winter...it is acidic in nature...

4Thank You

Aadya Singh ? 5 years, 11 months ago

Etanol - It is liquid at room temperature. It is commonly known as alcohol and is the active ingredient of all alcoholic drinks. Because it is a good solvent,It is used in medicines such as tincture iodine, cough syrups, and many tonics....it is soluble in water in all proportions..

5Thank You

ANSWER

Which harmone is known as stress harmone in plant And animals respectively

Posted by George Andrew ???? 5 years, 11 months ago

CBSE > Class 10 > Science

5 answers

George Andrew ???? 5 years, 11 months ago

Animal harmone is adrenaline secrated from adrenal gland

0Thank You

Pooja Sah 5 years, 11 months ago

In plant Abscisic acid is called stress hormone

0Thank You

Piyush Kr.?? 5 years, 11 months ago

Steroid hormone in animal

0Thank You

Aadya Singh ? 5 years, 11 months ago

I've no idea about animal hormone...

3Thank You

Aadya Singh ? 5 years, 11 months ago

Plant - Abscisic hormone..

3Thank You

ANSWER

Why plants have low energy needs as compared to animal

Posted by Ravindra Kumar 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Chandan Bhardwaj 5 years, 11 months ago

It is because of the following reasons:- 1.They are composed of most of dead cells and tissue 2.Their body design is not complex which reduces their energy requirements 3.They dont do complex jobs such as walking,eating,dancing etc as the humans do. 4.They dont perform metabolic activities as the humans and animals do. 5.They dont have complex organs like animals which reduces their energy demands.

2Thank You

ANSWER

Non mettalic property increases from left to right across period?

Posted by Diksha? 5 years, 11 months ago

CBSE > Class 10 > Science

10 answers

Ankesh ...... 5 years, 11 months ago

Suhu???

1Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Bye!!??☺️

0Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Thanks sis... M koshish krungi ane ki..?

0Thank You

Ankesh ...... 5 years, 11 months ago

Suhu aap naraj ho kya

0Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Gourav**

1Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

24 ko gorav ayega iss app pr...shayad... Agr m na au toh plss ussko ap bol dena ... Meri tension n le vo apni study pr focus kre...aur meko bhul jaye....plss??

0Thank You

Ankesh ...... 5 years, 11 months ago

Hii suhu

0Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

1 kaam h apse!?

0Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Diku suno????

0Thank You

Ankesh ...... 5 years, 11 months ago

Yes

0Thank You

ANSWER

Formation and uses of plaster of paris

Posted by Mahendra Lomrod 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

George Andrew ???? 5 years, 11 months ago

Caso4. 2H2o+heat ---------------- caso4. 1/2H2o+1 1/2 H2o. Uses are as follows ------ Doctors use it to support fractured bones. It used to harden toys. etc.

1Thank You

ANSWER

Salt family...

Posted by Diksha? 5 years, 11 months ago

CBSE > Class 10 > Science

84 answers

Ankesh ...... 5 years, 11 months ago

Aapse shair krke aach lga

1Thank You

Ankesh ...... 5 years, 11 months ago

Like kya sis..shi h..acchi bht h

1Thank You

Ankesh ...... 5 years, 11 months ago

Ok sis bye take care..exam acche se dena

1Thank You

Ankesh ...... 5 years, 11 months ago

Mujhe n pata..mai sirf best frnd manta hu

1Thank You

George Andrew ???? 5 years, 11 months ago

Nacl, Caocl2, Nahco3, Na2co3. 10H2o. Please use this app for study only.

1Thank You

Ankesh ...... 5 years, 11 months ago

Frnds bata rhe the ki jb meta accident hua ths to..bht sad thi vo

0Thank You

Ankesh ...... 5 years, 11 months ago

But ek baat or h care bht krti h

1Thank You

Ankesh ...... 5 years, 11 months ago

Ni 8 tk same the phir change

0Thank You

Ankesh ...... 5 years, 11 months ago

Maine bola h..pahle 12 th ho jaye phir sochte h iske baare me

0Thank You

Ankesh ...... 5 years, 11 months ago

Sis..3 year hogye sirf baate hi hui h..face ni dekha

1Thank You

Ankesh ...... 5 years, 11 months ago

Ya sis

1Thank You

Ankesh ...... 5 years, 11 months ago

1Thank You

Ankesh ...... 5 years, 11 months ago

Are sis class 9th me bola tha..itna kiaa h to thora or shi

0Thank You

Ankesh ...... 5 years, 11 months ago

Frndship pr to pura bharosa h

0Thank You

Ankesh ...... 5 years, 11 months ago

Maine usse bola h..ki tum meri best frnd ho or hmesha rhogi but....

0Thank You

Ankesh ...... 5 years, 11 months ago

Thora ni bht awakward lgta h

1Thank You

Ankesh ...... 5 years, 11 months ago

Maine bola h 12 ke baad bataunga

0Thank You

Ankesh ...... 5 years, 11 months ago

Ha sis

0Thank You

Ankesh ...... 5 years, 11 months ago

Nnn.but aap batao kya kru

0Thank You

Ankesh ...... 5 years, 11 months ago

But isme bhi

0Thank You

Ankesh ...... 5 years, 11 months ago

Aap bhi hass rhi

1Thank You

Ankesh ...... 5 years, 11 months ago

But vo geed pe h

0Thank You

Ankesh ...... 5 years, 11 months ago

Mujhe n karna yrr

0Thank You

Ankesh ...... 5 years, 11 months ago

SiS brainly pr..aapke question...dynadtic sucession pe likh dia h

0Thank You

Ankesh ...... 5 years, 11 months ago

Are sis aap samajh jao kya question tha

0Thank You

Ankesh ...... 5 years, 11 months ago

Yehi h

0Thank You

Ankesh ...... 5 years, 11 months ago

Are bataya to tha n..ki kya ans du question ka..

1Thank You

Ankesh ...... 5 years, 11 months ago

H sis aapko reason bayaya tha n

0Thank You

Ankesh ...... 5 years, 11 months ago

Kyo sis aisa kya

0Thank You

Ankesh ...... 5 years, 11 months ago

Hmm

0Thank You

Ankesh ...... 5 years, 11 months ago

Ok...sis dont take stress ok

1Thank You

Ankesh ...... 5 years, 11 months ago

0Thank You

Ankesh ...... 5 years, 11 months ago

Or aap online ho...not good sis

1Thank You

Ankesh ...... 5 years, 11 months ago

0Thank You

Ankesh ...... 5 years, 11 months ago

Revision ho gya

0Thank You

Ankesh ...... 5 years, 11 months ago

Hii sis

0Thank You

Ankesh ...... 5 years, 11 months ago

Pass me thi kya

0Thank You

Ankesh ...... 5 years, 11 months ago

Aap to party enjoy kr rhi ho

0Thank You

Shreya Sharma?? 5 years, 11 months ago

Mai jaa rhi ghr bhai...

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Sb badhiya bhai....☺️

0Thank You

Ankesh ...... 5 years, 11 months ago

Or batao sis

0Thank You

Ankesh ...... 5 years, 11 months ago

0Thank You

Shreya Sharma?? 5 years, 11 months ago

Ohh..

1Thank You

Ankesh ...... 5 years, 11 months ago

N mere ho gye

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Hmm bhai....aap pre-board de rhe ho..

1Thank You

Ankesh ...... 5 years, 11 months ago

Ok..sis aache se krna ok

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Hmm raat me padhna padega....

2Thank You

Ankesh ...... 5 years, 11 months ago

Ok..but kl aapka exam h n

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Meeko mnn kr rha tha...ghr pe rehti toh padh nai pati.....koi party nai attend ki na isliye

3Thank You

Ankesh ...... 5 years, 11 months ago

1Thank You

Ankesh ...... 5 years, 11 months ago

Aapko n jaana cahiye tha

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Hmmm bhai

2Thank You

Shreya Sharma?? 5 years, 11 months ago

Hlo pk...

2Thank You

Ankesh ...... 5 years, 11 months ago

Or aap party me

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Acchi nai h.....mai party hu....kl sst ka xm h??

3Thank You

Pk . 5 years, 11 months ago

Hello shreya....

1Thank You

David ......... 5 years, 11 months ago

Ohh shreya sis.......?aaoki study kese chl rhe

2Thank You

Ankesh ...... 5 years, 11 months ago

Padaii kaisi h

2Thank You

Ankesh ...... 5 years, 11 months ago

1Thank You

Ankesh ...... 5 years, 11 months ago

Ya...sis

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Nhi bhai mai hu na......

2Thank You

Ankesh ...... 5 years, 11 months ago

Kaisi ho sis

1Thank You

Ankesh ...... 5 years, 11 months ago

Sb gye

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Shin Chan-shreya Sharma bhai

2Thank You

David ......... 5 years, 11 months ago

Sinchan name btai na

1Thank You

Shreya Sharma?? 5 years, 11 months ago

Hlo dikshu,pk,suhu

3Thank You

Ankesh ...... 5 years, 11 months ago

Sb kaise ho

1Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

??bye!!

2Thank You

Ankesh ...... 5 years, 11 months ago

Suhu aap naraj ho kya???

1Thank You

Pk . 5 years, 11 months ago

Hello ankesh bro and suhana

2Thank You

David ......... 5 years, 11 months ago

Shinchan behen aap kon ho previous name btaao plz

2Thank You

Ankesh ...... 5 years, 11 months ago

Hii sisters S2,diku and suhu..and pk bro

2Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Diku ao toh pls .. reply krna...meko kuch kaam h apse..???

2Thank You

Shreya Sharma?? 5 years, 11 months ago

Hlo bhai....

3Thank You

Shreya Sharma?? 5 years, 11 months ago

Hlo

0Thank You

David ......... 5 years, 11 months ago

Hi namaste friend

0Thank You

Ankesh ...... 5 years, 11 months ago

Hii frnds...

1Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Answers show kyu ni hore...???

2Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Diku mera ek kaam krogi?????

2Thank You

Pk . 5 years, 11 months ago

Hello....

2Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Koi h???

1Thank You

♛ ❝Ѕυнαɴα❞ ♛ 5 years, 11 months ago

Hii...???

1Thank You

Pk . 5 years, 11 months ago

Hello diku

1Thank You

Pk . 5 years, 11 months ago

Those salt which have common acidic or basic radical are belongs to the same family.........example sodium chloride and calcium chloride belongs to chloride family.??

0Thank You

ANSWER

Nitric (NO3) make covalent bond ?

Posted by Kuldeep Bhargav 5 years, 11 months ago

CBSE > Class 10 > Science

6 answers

Aadya Singh ? 5 years, 11 months ago

Aapko kyu possible nhi lag rha..???...non-metals covalent bond hi banate h...and aapne nitric acid ka formula wrong likha h..HNO3 hoga..?

1Thank You

Kuldeep Bhargav 5 years, 11 months ago

????

1Thank You

Kuldeep Bhargav 5 years, 11 months ago

Ionic bond

0Thank You

Diksha? 5 years, 11 months ago

Coz if it was supposed to form ionic bond tben N203 should be formed...?

0Thank You

Kuldeep Bhargav 5 years, 11 months ago

I think, nothing possible

2Thank You

Aadya Singh ? 5 years, 11 months ago

Yes..

2Thank You

ANSWER

Differnce between spore formation and vegetative propogation

Posted by Fouziya Shaikh 5 years, 11 months ago

CBSE > Class 10 > Science

4 answers

Kuldeep Bhargav 5 years, 11 months ago

Spore formation generally found in Rhizopus ( bread), and vegetative propagation in which new plants develop from leaf, stem ,

2Thank You

Varun Sahu 5 years, 11 months ago

Both vegetative and spore formation is asexual

1Thank You

P. Varsha 5 years, 11 months ago

Vegetative propagation is also asexual reproduction found in plants in which new plant grow from part or fragment of parent plant

1Thank You

P. Varsha 5 years, 11 months ago

Spore formation is a asexual reproduction found in non flowering plants such as fungi bacteria spirogira

1Thank You

ANSWER

Law of conservation of mass

Posted by Jayesh Singh 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Megha Agarwal 5 years, 11 months ago

Mass is nethier be created nor be destroyed in a chemical reaction

1Thank You

Miss. 1234 5 years, 11 months ago

Mass can neither be created nor be destroyed in chemical reaction

2Thank You

ANSWER

The ph of gastric juice release during digestion?

Posted by Devesh Kumar 5 years, 11 months ago

CBSE > Class 10 > Science

5 answers

Devesh Kumar 5 years, 11 months ago

Ok thanks

0Thank You

Aadya Singh ? 5 years, 11 months ago

But in S.Chand , 1.4 is given...

2Thank You

Aadya Singh ? 5 years, 11 months ago

Yes...it is given in ncert...

2Thank You

Devesh Kumar 5 years, 11 months ago

You are sure?

1Thank You

Aadya Singh ? 5 years, 11 months ago

About 1.2 ...

3Thank You

ANSWER

Work of heart

Posted by Nutan Gupta 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Megha Agarwal 5 years, 11 months ago

Pumping the blood

1Thank You

Devesh Kumar 5 years, 11 months ago

To oxidized the blood.

1Thank You

ANSWER

How does the use of these methods have a direct effect on the health and proesperity of a family

Posted by Saloni Singh 5 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Saloni Singh 5 years, 11 months ago

Contraceptive

0Thank You

Pooja Sah 5 years, 11 months ago

Complete your question

0Thank You

Megha Agarwal 5 years, 11 months ago

Which methods

0Thank You

ANSWER

Why the color of potassium permagnet dissapers if it is added to warm solution of ethanol.

Posted by Amaya Chauhan 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 5 years, 11 months ago

Because it is consumed to oxidize ethanol..

3Thank You

ANSWER

What is homologous series, and Haloalkane

Posted by Vaishnavi Chauhab 5 years, 11 months ago

CBSE > Class 10 > Science

4 answers

Vaishnavi Chauhab 5 years, 11 months ago

Helo bhai and sis. Looog

0Thank You

Arpit Srivastava 5 years, 11 months ago

CH2 group

1Thank You

Aadya Singh ? 5 years, 11 months ago

When an hydrogen atom of an alkane is replaced by a halogen atom, we get haloalkane..

3Thank You

Aadya Singh ? 5 years, 11 months ago

Homologous series is a group of organic compounds have similar structures and similar chemical properties in which successive compounds differ by CH2 group..

3Thank You

ANSWER

If electricity is all about motion of electron in a circuit then whats the need of a positive teminal or end

Posted by Bkm . 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Megha Agarwal 5 years, 11 months ago

To know the direction of current

2Thank You

ANSWER

Is C2 compound possible

Posted by Bkm . 5 years, 11 months ago

CBSE > Class 10 > Science

4 answers

Arpit Srivastava 5 years, 11 months ago

yes possible

0Thank You

Rinki Gupta 5 years, 11 months ago

Not possible at all.

2Thank You

Megha Agarwal 5 years, 11 months ago

Only at high temperature in carbon vapour produced

2Thank You

Vaishnavi Chauhab 5 years, 11 months ago

Yes by two methods 1: Catenation2:tetravalent

3Thank You

ANSWER

Why can't carbon share 4 electron and make 4 bond???

Posted by Bkm . 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Arpit Srivastava 5 years, 11 months ago

because it release more energy to loose 4 electron

0Thank You

P. Varsha 5 years, 11 months ago

Because if it lose four electrons carbon need to require more amount of energy to remove 4 e

0Thank You

ANSWER

Formula of current carrying conductor in straight wire ?

Posted by Ujjwalsingh Singh 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Rani Mishra ??? 5 years, 11 months ago

Maxwell's right hand thumb rule also known as Maxwell's cockscrew rule .

1Thank You

Dhoodhu Pc 5 years, 11 months ago

Right hand rule

1Thank You

ANSWER

''Reflex arcs continue to be more efficient for a quick responses'' justify this statements giving reason.

Posted by Bijendra Yadav 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 11 months ago

Reflex arc is the pathway followed by reflex action. Reflex action is an automatic, rapid and immediate reaction to a stimulus and is below the level of consciousness. No thinking is involved in reflex action. For example - When we unknowingly touch a hot plate or pan, we pull away our hand very quickly and without thinking. The stimulus here is the heat which we feel in our hand. This heat is sensed by a heat receptor which triggers an impulse in a sensory neuron and transmits message to spinal cord. The impulse is passed on to a relay neuron, which in turn, passes it to a motor neuron. The motor neuron passes the impulse to a muscle of the arm which then contracts and pulls our hand away from hot plate or pan. The muscle of arm is an effector because it responds to the stimulus. Hence, reflex arcs continue to be more efficient for a quick responses.

3Thank You

ANSWER

Name any two human excretory organ other than kidney.

Posted by Bijendra Yadav 5 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Megha Agarwal 5 years, 11 months ago

Large intestine,skin,etc

1Thank You

Shiv Kumar 5 years, 11 months ago

Lungs and Skin

1Thank You

Abhinav Nirvan 5 years, 11 months ago

Lungs and ****

1Thank You

ANSWER

Difference between homologous organism snd anslogous orgnism

Posted by Nikhil Shirali 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Shiv Kumar 5 years, 11 months ago

Homologous organism have different function but same structure while analogous organism have same function but different structure.

0Thank You

ANSWER

Name four types of metabolic wastes produced by humans.

Posted by Bijendra Yadav 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Abhinav Nirvan 5 years, 11 months ago

Uric acid,.urea,amino acids,salt

0Thank You

ANSWER

Which is larger na+ or na ? Give reason (chem class10)

Posted by Pdhaku Bche 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Arpit Srivastava 5 years, 11 months ago

0Thank You

Deepak Singh 5 years, 11 months ago

Na is bigger than Na+ bcoz there are less no electrons in Na+ which increases the nuclear charge and decreases the size of atom.

1Thank You

ANSWER

List in tabular form three different between arteries and veins.

Posted by Bijendra Yadav 5 years, 11 months ago

CBSE > Class 10 > Science

3 answers

P. Varsha 5 years, 11 months ago

3.veins carry de oxyginated blood except plumonary vein where arteris carry oxyginated blood execpt plumonary artery

0Thank You

P. Varsha 5 years, 11 months ago

2.blood pressure is low in veins where B.P is high in ateries

0Thank You

P. Varsha 5 years, 11 months ago

1.Veins carry blood from bodu parts to the heart where ateries carry blood from the heart to body

0Thank You

ANSWER

What do you mean by lone pair of electron. Explain in H2O and NH3 also name Number of lone pair

Posted by Piyush Raj 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Prabal Patel 5 years, 11 months ago

Ho3

2Thank You

ANSWER

Write two observation when lead nitrate is heated in a test tube and name type of reaction and balanced it chemical equation

Posted by Salim Chauhan 5 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Antonio Mathew 5 years, 11 months ago

PbNO3 -> PbO (yellow residue) + O2 + NO2(reddish brown fumes) Observation : a yellow residue PbO is formed along with the evolution of reddish brown fumes of NO2 and a gas that lights a splinter(oxygen). Type of Reaction : Thermal Decomposition

0Thank You

ANSWER

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