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Aadya Singh ? 6 years, 2 months ago

It is a transparent, biconvex structure in the eye that helps to refract the light focused on retina...

Smriti Verma 6 years, 2 months ago

The lens is transparent , biconvex structure in the eye that , along with the cornea, helps to refract light to be focused on retina is known as eye lens

ANSWER

Where does light reaction take place in plant

Posted by Yuvraj Singh Shekhawat 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Shreya ... 6 years, 2 months ago

Grana in chloroplast

ANSWER

Explain electro static force of attraction.

Posted by Akhifa Sheik 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Mamta Singh 6 years, 2 months ago

Attraction or repultion of particles due to there electric charge

ANSWER

what is homologous series in chemistry

Posted by Smriti Verma 6 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Md Arsalan Zafar 6 years, 2 months ago

A homologous series is a group of organic compound having same structure same chemical properties and their successive compounds are differ by CH2 group

? ... 6 years, 2 months ago

It is a group of organic compound having similar structure and similar chemical properties in which the successive compound differ by ch4

4Thank You

ANSWER

How you can prevent metal from roasting

Posted by Tushar Madhray 6 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Raj Bhagat 6 years, 2 months ago

Electroplating , galvanisation, by painting

Md Arsalan Zafar 6 years, 2 months ago

By Painting By Greasing By Oiling By Galvanisation By Electroplating

Shrija Singh?? 6 years, 2 months ago

By painting , galvanising, etc

ANSWER

How the properties of alloy are different from the properties its consistent metal

Posted by Tushar Madhray 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Md Arsalan Zafar 6 years, 2 months ago

It is stronger and harder than the metal by which they are made It has lower melting point than the Constituent metal

ANSWER

Aluminothermy??

Posted by boms****@***** 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Akhifa Sheik 6 years, 2 months ago

It is a rxn in which aluminum metal is oxidised by the oxide of another metal, most commonly iron oxide.

ANSWER

Explain termit reaction

Posted by Tushar Madhray 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Akhifa Sheik 6 years, 2 months ago

Thermite rxn is a process in which metal oxides are treated with aluminium powder. It is highly exothermic rxn. The molten metal obtained is used for welding of railway tracks or cracked machine parts. Al + Fe2O3 = Fe + Al2O3 + heat (Fe2o3= Hematite)

ANSWER

Explain the electrolightle

Posted by Tushar Madhray 6 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Knowing is not enough; we must apply. Wishing is not enough; we must do.

Posted by Pk . 6 years, 2 months ago

CBSE > Class 10 > Science

4 answers

___ Alone _____ 6 years, 2 months ago

Diksha? 6 years, 2 months ago

True?

Shreya ... 6 years, 2 months ago

Yes...true..pk ji..and sorry..

Pk . 6 years, 2 months ago

I was waiting for your reply yrr......ok bye

ANSWER

What are the examples for amphotheric oxides

Posted by Akhifa Sheik 6 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Aadya Singh ? 6 years, 2 months ago

Aluminium oxide and zinc oxide...

Gangster Gamer 6 years, 2 months ago

ZnO and Al2O3

ANSWER

Why sun appears red during sunrise or sunset?

Posted by ꧁༒Ķïłłěŕ_Ṩนℑåł༒꧂, Sharma 6 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Shrija Singh?? 6 years, 2 months ago

During sunrise sun is near the horizon , most of the blue light of shorter wavelength are scattered away by the particles, therefore the light that reaches our eyes is of longer wavelength

Pk . 6 years, 2 months ago

Also due to less scatering to red component of white light.....??

Shreya ... 6 years, 2 months ago

Due to scattering of light.

5Thank You

ANSWER

You are given two electric bulbs operating on 220V,one is of 60W and the other of 100W. If they are connected in series and then the combination is connected to 440V,which of the two bulbs will fuse?Why?

Posted by Ajay Kumar Singh 6 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Define the term power of accommodation Write the modofication in the curvature of the eye lens which enables us to see the nearly object clearly

Posted by Afsana Khatoon 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Shiva Bhadauria 6 years, 2 months ago

Well, The ability of our eye lens to change its focal length is callled 'power of accomodation'. The ciliary muscle adjust the curvature in which the focal length help us to see the clear view of objects.

ANSWER

Q.1 Which of the following is not a combination reaction. Why? (a) Fe+S=FeS (b) CaO+CO2+CoCo3 (C)NS3+SCo4 (d)AGNO3=AGCl+NaNo3

Posted by Pradhyumn Gupta 6 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Shrija Singh?? 6 years, 2 months ago

(a)

Akanksha Kumari? 6 years, 2 months ago

(d)

Kumar Suman 6 years, 2 months ago

If you don't know the answer then please don't comment

ANSWER

How do metals react with water?

Posted by Daljit Kaur Saini 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Kumar Suman 6 years, 2 months ago

Metal+ water=metal oxide+hydrogen

ANSWER

Name a type of asexual reproduction in which the offspring is not identical to the parent

Posted by Mashhuda Fathima 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Shiva Bhadauria 6 years, 2 months ago

Fission

ANSWER

Hello....... ? ? ? ? good evening

Posted by Ravi Choudhary 6 years, 2 months ago

CBSE > Class 10 > Science

11 answers

Raj Bhagat 6 years, 2 months ago

Reading comment

Aadya Singh ? 6 years, 2 months ago

Nahi bataungi...???

Abhinav ? 6 years, 2 months ago

Kya..batao..??

Aadya Singh ? 6 years, 2 months ago

Meko pta h kya hoga...????

Abhinav ? 6 years, 2 months ago

Ab film me aage kya hoga..??suicide..??

Aadya Singh ? 6 years, 2 months ago

????

Abhinav ? 6 years, 2 months ago

Mila ni kuch v..??

Aadya Singh ? 6 years, 2 months ago

Meko lga tha ??????

Abhinav ? 6 years, 2 months ago

Ha..vahi kr rha tha..??

Aadya Singh ? 6 years, 2 months ago

Abhinav.. Dhundh rahe ho..??? ?????

Abhinav ? 6 years, 2 months ago

Good evening

ANSWER

How federalism is practised in India?

Posted by Shital Singh 6 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

How democracy is good

Posted by Shital Singh 6 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Sumit Kumar 6 years, 2 months ago

Democracy is good because. 1. Democracy is responsive, accountable, and legitimate form of government. 2. It enhance the dignity of citizen. 3. It allows room to correct mistakes. 4. People can choose their rulers by own. 5. It

Kumar Suman 6 years, 2 months ago

Main reason is it is accountable,and legitimate form of government

ANSWER

Good evening ?? Friends.......

Posted by ?Roman ? 6 years, 2 months ago

CBSE > Class 10 > Science

10 answers

?Roman ? 6 years, 2 months ago

<font size=100>Ohh

Aadya Singh ? 6 years, 2 months ago

Good evening...

Abhinav ? 6 years, 2 months ago

Mai theek hu bro or aap

Diksha? 6 years, 2 months ago

Good evening?

Pk . 6 years, 2 months ago

Hello bhai....kaise ho??

Abhinav ? 6 years, 2 months ago

Hlo..pk bro..shivansh bro

Leepaxi Diwan? 6 years, 2 months ago

Good evening ?

Pk . 6 years, 2 months ago

Good evening?

Abhinav ? 6 years, 2 months ago

Good evening...??

Shreya ... 6 years, 2 months ago

Good evening..

ANSWER

Describe an activity for esterification

Posted by Rajat Raghav 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years, 2 months ago

An activity to form an Ester in a school laboratory:

Take 2 ml of ethanoic acid in a test tube and and 2 ml of pure ethanol (absolute alcohol). Add 2 drops of concentrated sulphuric acid into the test tube. Put this test tube in a beaker in hot water for about 5 minutes on a bunsen flame using a wire gauze. Pour the contents of the test tube into a 250 ml beaker containing 50 ml of water and smell the resulting solution. A sweet odour of ester is obtained .

CH₃COOH + C₂H₅OH ---(Conc. H₂SO₄)---> CH₃COOC₂H₅+ H₂O.

CH₃COOH- Ethanoic acid (acetic acid)
C₂H₅OH- (Ethanol) (Ethyl alcohol)
CH₃COOC₂H₅- Ethyl ethanoate (Ethyl acetate)(sweet smelling Ester)

ANSWER

Explain aluminothermy

Posted by Riya Raj 6 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Yogita Ingle 6 years, 2 months ago

Thermite is a pyrotechnic composition of aluminium powder and a metal oxide. It produces an aluminothermic reaction known as a thermite reaction.

The reaction of iron (III) oxide and aluminum can be represented by the equation:

Fe₂O₃ (s) + 2 Al (s) → Al₂O₃ (s) + 2 Fe (s)

This reaction is known as the “thermite” process, which has been used industrially for welding that is the preparation of metals from their oxides, and the production of incendiary devices. The process is initiated by heat, but then becomes self-sustaining.

Ravi Choudhary 6 years, 2 months ago

Hello... See. Here ur answer............. aluminothermy. : a process of producing great heat and strong chemical reduction by oxidizing finely divided aluminum with oxygen taken from another metal, this metal being thus reduced from its oxide ......... Thank you

Riya Raj 6 years, 2 months ago

Happy new year everyone

ANSWER

Clock face rule

Posted by Renu Maurya 6 years, 2 months ago

CBSE > Class 10 > Science

6 answers

Shital Singh 6 years, 2 months ago

according to clock face if the current around a circular wire is in clockwise direction then that pole will be South pole and if current flow is anticlockwise direction that pole behaved like a North pole

Neha Jha 6 years, 2 months ago

You should remember CS and. AN means in clockwise current the face will be south pole and in anticlockwise the face Will be north pole

Jitendra Rajput 6 years, 2 months ago

Same as moving direction of watch clock

Ravi Choudhary 6 years, 2 months ago

Good afternoon nd happy new year to you also Yogita Ingle ma'am ?

Ravi Choudhary 6 years, 2 months ago

Hey.... XD.....see Ur answer CLOCK FACE RULE--When an observer, looking at the face of the coil, finds the current to be flowing in the anti-clockwise direction, then the face of the coil will behave like the North Pole. While if the current is in the clockwise direction, the face of the coil will behave like South Pole Thank you... Good luck

Yogita Ingle 6 years, 2 months ago

According to the clock rule "When an observer, looking at the face of the coil, finds the current to be flowing in the anti-clockwise direction, then the face of the coil will behave like the North Pole. While if the current is in the clockwise direction, the face of the coil will behave like South Pole.

ANSWER

What is molicules

Posted by Naba Daimary 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 6 years, 2 months ago

A molecule is defined as the smallest unit of a compound that contains the chemical properties of the compound. Molecules are made up of groups of atoms. Describing the structure of an atom, an atom is also sub-divided into smaller units. Proton, electrons, and neutrons are sub-particles of an atom. The protons and neutrons are contained inside the nucleus of the atom and electrons revolve around the nucleus.

ANSWER

Carbon compounds have weak or strong intermolecular force of attraction?

Posted by Diku? 6 years, 2 months ago

CBSE > Class 10 > Science

42 answers

Diksha? 6 years, 2 months ago

Yah,almost new?

Ravi Choudhary 6 years, 2 months ago

Ur r new here

Diku? 6 years, 2 months ago

Hello mr A D 21...

Ravi Choudhary 6 years, 2 months ago

Hi DIKU

Diku? 6 years, 2 months ago

Hello ?

Ravi Choudhary 6 years, 2 months ago

????

Shreya ... 6 years, 2 months ago

Shyd hata do..meri baat hui h apse...ravi ...?

Ravi Choudhary 6 years, 2 months ago

Hello Aadya.... Aap toh meko jante hongi sayad na??

Ravi Choudhary 6 years, 2 months ago

Vese mai toh yaha sab ko janta hu..... Twin shreya here also ??

Shreya ... 6 years, 2 months ago

Mai v kum aai hu yaha..bht time se ni ai vo

Shreya ... 6 years, 2 months ago

Nahi..janti hu mai apko..

Ravi Choudhary 6 years, 2 months ago

Shreya aap Rose ko last kb dekhe the yaha

Ravi Choudhary 6 years, 2 months ago

??shyad.... Mtlb 1 months me he sab bhul gai??

Shreya ... 6 years, 2 months ago

Rose ke frnd??...

Shreya ... 6 years, 2 months ago

Mai janti hu..?shyd..?

Ravi Choudhary 6 years, 2 months ago

??Meko koi jante ya nhi

Shreya ... 6 years, 2 months ago

??aadya..chlo party krenge hum log..??

Ravi Choudhary 6 years, 2 months ago

Hello

Aadya Singh ? 6 years, 2 months ago

???

Shreya ... 6 years, 2 months ago

Na..na..mai ni bhulungi..??#24 hour drama group..?

Aadya Singh ? 6 years, 2 months ago

Hello shreya bestu..?....aur sbb to bhul gye...??? ??????

Shreya ... 6 years, 2 months ago

Aadya..??hello...bestu

Aadya Singh ? 6 years, 2 months ago

Hello...koi mujhse baat karega.. ??Ki ab shreya aa gyi to sbb mujhe bhul gye. ???????

Dr.Cool ❤ Hot 6 years, 2 months ago

Jldi...mujhe class jana h

Shreya ... 6 years, 2 months ago

Ok..dr.cool..?

Dr.Cool ❤ Hot 6 years, 2 months ago

Give my answers Shreya in my question pls

Dr.Cool ❤ Hot 6 years, 2 months ago

Hlo

Abhinav ? 6 years, 2 months ago

Hello

Shreya ... 6 years, 2 months ago

Hello..Im back..?

Pk . 6 years, 2 months ago

Hay guys.....

4Thank You

Diku? 6 years, 2 months ago

Suhu phli emoji ?

Diku? 6 years, 2 months ago

Okay shreya?

Rounak Kumar 6 years, 2 months ago

Organic compound have high molecular force because they are connected by covalent bonds even if the carbon chain is long success alcohols , streate

? Queen ? 6 years, 2 months ago

Weak?...????

Shreya ... 6 years, 2 months ago

Baad me milte h..bye..?

Diku? 6 years, 2 months ago

Acha

Shreya ... 6 years, 2 months ago

MVM...

Diku? 6 years, 2 months ago

Aap kha padhte ho?

Shreya ... 6 years, 2 months ago

Wlcm diksha..?

Diku? 6 years, 2 months ago

Btw thanks?

Diku? 6 years, 2 months ago

Hlw

Shreya ... 6 years, 2 months ago

Weak

ANSWER

What is ohm's law? Explain!

Posted by Shubham Kumar 6 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Shital Singh 6 years, 2 months ago

according to ohm's law at a constant temperature the current flow in a conductor is directly proportional to the potential difference applied on its end

Jitendra Rajput 6 years, 2 months ago

V--IR

Tec Om 6 years, 2 months ago

according to ohms law at constant temperature the current is directly propostional to potential difference. v (potential difference)propostional I(current)

4Thank You

Shreya ... 6 years, 2 months ago

According to this law, the current flowing in the conductor is directly proportional to the potential difference applied across its ends, providing the physical positions remain unchanged.V=IR or I=V/R

5Thank You

ANSWER

What do you mean by starvation?

Posted by Shital Singh 6 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Tec Om 6 years, 2 months ago

starvation means "death without food"

ANSWER

Define genetics?

Posted by Shital Singh 6 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Tec Om 6 years, 2 months ago

the study of genes called genetics

Yogita Ingle 6 years, 2 months ago

Genetics is a branch of the biology involved with the study heredity, its biological process, the study of genes, genome, cell cycle, heredity, inherits genes and lot more. The exploration of the working and major codes of variation and heredity is termed as Genetics.

Abhay Anand 6 years, 2 months ago

Branch of scince which deals with the study of hereditary and variations is called genetics