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

Vo ji aaj hm speaker me music sun rahe the n..to usne rock song ke liye bola tha..but hmme uss samay slow song sunna tha..to isme toda bahas ho gayi..

1Thank You

Shreya ..... 6 years, 3 months ago

Sis kyu gussa ho gyi

2Thank You

A S?? 6 years, 3 months ago

Ohh new..vo bht acchi h,,sis bhi aaj gussa ho gayi toda

1Thank You

Shreya ..... 6 years, 3 months ago

Family acchi h ji...or apki..especially apki chachi ji..or sis..

2Thank You

A S?? 6 years, 3 months ago

Hm bhi ji aap ki tarah...aapki family kaisi h

1Thank You

A S?? 6 years, 3 months ago

Aap gayi kya ji

1Thank You

Shreya ..... 6 years, 3 months ago

Hum theek h or aap kaise h

1Thank You

A S?? 6 years, 3 months ago

Kaisi h aap

1Thank You

Shreya ..... 6 years, 3 months ago

Ha ji..aaj hui h baat apse..

1Thank You

A S?? 6 years, 3 months ago

Aap kaisi h ji...aapse to ab baat hi ni ho pati

1Thank You

A S?? 6 years, 3 months ago

Ok ji

1Thank You

Shreya ..... 6 years, 3 months ago

Wlcm ji..ek reh gaya tha..?

2Thank You

Shreya ..... 6 years, 3 months ago

Concave lens is a lens which is thinner at the centre, than the edges.

2Thank You

A S?? 6 years, 3 months ago

Thanks bestie ji

1Thank You

Shreya ..... 6 years, 3 months ago

Concave mirror is a part of hollow glass sphere, whose convex side has a thin silver layer coating and concave side acts as reflecting surface.

1Thank You

ANSWER

Why reverse peristalsis occurs during vommiting..? And what happens if cardiac sphincter not opens ? what should be done in this situation ...??

Posted by Ravi Choudhary 6 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Oral pills are hormonal preparation

Posted by Suman Kumari 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ravi Choudhary 6 years, 3 months ago

Hormonal preparation means it is made by Combination of hormones mainly Oestrogen nd Progestin....it acts as inhibitors to ovulation....

1Thank You

ANSWER

धातु किसे कहते हैं

Posted by Prashant Sharma 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Arjun Nishad 6 years, 3 months ago

Means metal, metal are have some properties like lature, ductility ,maliabiliy, sonoras and good conducter of heat and electricity are called metal

1Thank You

ANSWER

Precautions of metal reacts with steam

Posted by Nakul Sanodiya 6 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Different between sexual or asexual reproduction

Posted by Ayush Negi 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 6 years, 3 months ago

In asexual reproduction, only 1 parent is needed whereas in sexual reproduction, 2 parent is needed.

3Thank You

ANSWER

Hum medial mein pcb k baad nursing kr skte h na.....?

Posted by Simran Preet 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ayush Gaur 6 years, 3 months ago

No actually you can't do any kind of medical related job after passing class 11-12 from any other subject except PCB

3Thank You

ANSWER

Why carbon is versatile element?

Posted by Natasha Bhadoriya 6 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Ayush Gaur 6 years, 3 months ago

1.) Carbon atom is tetravalent i.e it have four electrons in it's last shell. Therefore it shares electrons by forming covalent bonds. 2.) Carbon atom form long chains from other carbon atoms. This property is known to be as catenation.

1Thank You

Aarti Rana 6 years, 3 months ago

Because carbon is tetravalent and have maximum power of catenation

1Thank You

Aadya Singh ? 6 years, 3 months ago

Because it can form single, double and triple bonds. It can also forms chain, branched chain and rings when connected to other carbon atoms.

3Thank You

ANSWER

?? Bahut pyari h suraat tumhari... Bana do isse qismat hamari... Mai zindagi m aur kya chahu... Agar mil jaye hume dosti tumhari... ??

Posted by ~ Honey...??#Girl 6 years, 3 months ago

CBSE > Class 10 > Science

13 answers

Shivam Mishra 6 years, 3 months ago

kha ho deep mil he nhi rhe me keb se dundh rha hu apko

0Thank You

A S?? 6 years, 3 months ago

Nice

1Thank You

Shivam Mishra 6 years, 3 months ago

hii bss hii he kr rhe ha seb ke seb

1Thank You

? Queen ? 6 years, 3 months ago

Hiii

2Thank You

Shivam Mishra 6 years, 3 months ago

kha gye seb ke seb meko akela chor ke

1Thank You

Shivam Mishra 6 years, 3 months ago

dear deepu kha gye

1Thank You

Shivam Mishra 6 years, 3 months ago

ok miss to kya kr rhe ho

0Thank You

Shivam Mishra 6 years, 3 months ago

pta nhi sebka network error a rha he per mera rk dm mst chel rha he

0Thank You

? Queen ? 6 years, 3 months ago

Nahi .....

2Thank You

Shivam Mishra 6 years, 3 months ago

miss queen abhi bhi gane sun ne me mgn ho

0Thank You

Shivam Mishra 6 years, 3 months ago

nice deepu

0Thank You

? Queen ? 6 years, 3 months ago

2Thank You

Shivam Mishra 6 years, 3 months ago

hii dear

1Thank You

ANSWER

What is function of blood

Posted by Priyanka Goyal 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Arjun Nishad 6 years, 3 months ago

The function of blood , like madicine transfer to each organ of human body

0Thank You

ANSWER

What is isotopes and isobars?

Posted by Priyanshi Jadon 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Sahil ???? 6 years, 3 months ago

Isotopes are atoms having same atomic number but different atomic masses whereas isobars are atoms having different atomic numbers but same atomic masses.

2Thank You

Sanket Arjun 6 years, 3 months ago

Isotopes are atoms have same element but different At. Mass. ||. Isobars are atoms have different elements but same At mass

2Thank You

ANSWER

hm bhi tum pe mrne lge tera rng me rngne lge jeb se dekha tumko sanam raato me bhi jgne lge rim jhim musib satho me hai rim jhim musibr satho me yaad mujhe bhi ane lgi hai bighi bighi raato me

Posted by Shivam Mishra 6 years, 3 months ago

CBSE > Class 10 > Science

52 answers

Asmilo Hall 6 years, 3 months ago

Nh bd kholnge tiktok

1Thank You

Shivam Mishra 6 years, 3 months ago

accha apka gana pdhte matr pagal ho gye agr gana sunage to kya hoga

0Thank You

Shivam Mishra 6 years, 3 months ago

hii aadya

1Thank You

? Queen ? 6 years, 3 months ago

Ylll lgta....mera gana sun kr...app wale pagal ho gye??

2Thank You

Aadya Singh ? 6 years, 3 months ago

Hello everyone one....?

3Thank You

Shivam Mishra 6 years, 3 months ago

accha yarr pta nhi sbka error a rha he per mera bilkul mst chel rha he smjh nhi aya

1Thank You

? Queen ? 6 years, 3 months ago

Ylll Network.... error aa rha hhh??

1Thank You

Shivam Mishra 6 years, 3 months ago

i am also fine shreya

1Thank You

Shivam Mishra 6 years, 3 months ago

hii suhu sayd ap dubara gye

0Thank You

? Queen ? 6 years, 3 months ago

Hiii...m fir aa gyi...

1Thank You

Abhinav ? 6 years, 3 months ago

Hello shreya..aagyi tum..???

3Thank You

Shreya ..... 6 years, 3 months ago

Im fine shivam and u..?

3Thank You

Shivam Mishra 6 years, 3 months ago

hii shreya hru

0Thank You

Shreya ..... 6 years, 3 months ago

Hello pk ji..shivam n abhinav..

1Thank You

Shivam Mishra 6 years, 3 months ago

hii pk bhaivkya hal he

0Thank You

⛩Singh Emperor? (Believe In Study) 6 years, 3 months ago

Apki sis nahi aye kya bro....

2Thank You

Shivam Mishra 6 years, 3 months ago

hsne do bhai bechari itne dino badd to hsi he

0Thank You

Abhinav ? 6 years, 3 months ago

Ha...mere me bhi error aa rha h bro..suhana aap hass kyu ri ho..?

2Thank You

⛩️Singh Emperor☀️☀️☀️ . 6 years, 3 months ago

Hey bro kaise ho......sorry yaha technical error ho raha hai

3Thank You

? Queen ? 6 years, 3 months ago

???

2Thank You

Shivam Mishra 6 years, 3 months ago

bdhiya he bhai

1Thank You

Abhinav ? 6 years, 3 months ago

Thodi jagah de de mujhe..tere pass kahi reh jau mai..khamoshiyan teri sunu aur dur kahi na jau mai..apni khushi deke tujhe tere dard se jud jau mai..mila jo tu yahan mujhe ..dilaun mai yakeen tujhe....rahu hoke tera sada bas itna chahta hu mai..??

3Thank You

Shivam Mishra 6 years, 3 months ago

ap to ate ho aur gayb ho jate ho pta he nhi cheta keb chela jate ho

0Thank You

Shivam Mishra 6 years, 3 months ago

hii suhu namste

0Thank You

? Queen ? 6 years, 3 months ago

Namaste

1Thank You

Shivam Mishra 6 years, 3 months ago

hii bro

0Thank You

⛩️Singh Emperor☀️☀️☀️ . 6 years, 3 months ago

Hii

1Thank You

Shivam Mishra 6 years, 3 months ago

ap bhi gye

1Thank You

Shivam Mishra 6 years, 3 months ago

its ok vesa apne mera comments pdhe jo apke videos pe kre the mena

1Thank You

Asmilo Hall 6 years, 3 months ago

Technical issue ho rh h islye reply nh kr pa rh!

3Thank You

Shivam Mishra 6 years, 3 months ago

saam ko bs ek message ker ke chela gye the suhana ki chat me tbka puch rha hu

0Thank You

Asmilo Hall 6 years, 3 months ago

Kb ka bt kr rh ho ap?

2Thank You

Shivam Mishra 6 years, 3 months ago

ash reply nhi den to bta do me nhi bolunga

0Thank You

Shivam Mishra 6 years, 3 months ago

btao na ash

1Thank You

Asmilo Hall 6 years, 3 months ago

O I see

1Thank You

Aadya Singh ? 6 years, 3 months ago

Nothing.....just completing the homework...?

2Thank You

Asmilo Hall 6 years, 3 months ago

Kya kr rh ho Aadya?

3Thank You

Shivam Mishra 6 years, 3 months ago

hmm shi kha aadya

1Thank You

Shivam Mishra 6 years, 3 months ago

hii ash kha chela gye the us time

1Thank You

Aadya Singh ? 6 years, 3 months ago

Hello ash...

2Thank You

Asmilo Hall 6 years, 3 months ago

Hlo guys!

3Thank You

Aadya Singh ? 6 years, 3 months ago

Shivam. ..tik tok dekh kar aa rhe ho...?

3Thank You

Shivam Mishra 6 years, 3 months ago

whats up

0Thank You

Shivam Mishra 6 years, 3 months ago

hii ash

0Thank You

Asmilo Hall 6 years, 3 months ago

Bye guys

2Thank You

Sahil Singh 6 years, 3 months ago

HLo.....

0Thank You

Shivam Mishra 6 years, 3 months ago

hii deep suhu and sahil

0Thank You

Shivam Mishra 6 years, 3 months ago

nhi to song he ye

0Thank You

Asmilo Hall 6 years, 3 months ago

2Thank You

Sahil Singh 6 years, 3 months ago

Bahi tu ye kya apni prem khatha likhta ha

0Thank You

~ Honey...??#Girl 6 years, 3 months ago

Good

3Thank You

? Queen ? 6 years, 3 months ago

Ohhh...???☺️☺️☺️☺️

3Thank You

ANSWER

What is combination rection

Posted by Arsh Sidhu 6 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Arsh Sidhu 6 years, 1 month ago

Tnx

0Thank You

Arjun Nishad 6 years, 3 months ago

Combination reaction are those reaction in which two or more than two elements combine each other and form single compound said to be combination reaction

0Thank You

Sundram Kumar 6 years, 3 months ago

The reaction in which two or more element or compound combines together

0Thank You

Sanket Arjun 6 years, 3 months ago

The reaction in which two elements or compound combines together to form a single compound is known as combination reaction

1Thank You

ANSWER

What do you mean by a precipitaion reaction

Posted by Shazia Ali 6 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Aadya Singh ? 6 years, 4 months ago

Any reaction in which an insoluble solid called precipitate is formed that suddenly separates from the solution is called precipitation reaction.

3Thank You

ANSWER

Can anyone help me..in chapter light...in this chapter how i can form a ray diagram..plz help me

Posted by ? ? 6 years, 4 months ago

CBSE > Class 10 > Science

4 answers

? ? 6 years, 3 months ago

Thanks

0Thank You

? Queen ? 6 years, 3 months ago

S Chand m usk principles hh...ussko...achche se samjho....... Bss fir bohot easy hh...

1Thank You

~ Honey...??#Girl 6 years, 4 months ago

Learn the table

1Thank You

? Queen ? 6 years, 4 months ago

Hii...meko ata hg

1Thank You

ANSWER

Under what condition, the angle of refraction will be equal to the angle of incidence?

Posted by Jayesh King 6 years, 4 months ago

CBSE > Class 10 > Science

8 answers

Sahil ???? 6 years, 3 months ago

Helloooo everyome.....it is refraction not reflection

1Thank You

? Queen ? 6 years, 3 months ago

2nd law of reflection...

0Thank You

Aadya Singh ? 6 years, 4 months ago

Your answer - If both the medium have same refractive index, then the angle of refraction is equal to angle of incidence.

2Thank You

Aadya Singh ? 6 years, 4 months ago

Sorry....mujhe lga vo reflection h...

1Thank You

Aman Kotnala 6 years, 4 months ago

Angles of refraction and incident will be equal

0Thank You

Aman Kotnala 6 years, 4 months ago

Just to correct..... If the ray of light is passing perpendicular to the glass slab , then the <r=<i

0Thank You

Aadya Singh ? 6 years, 4 months ago

Sorry......according to 2nd law of reflection, angle of incidence is always equal to angle of reflection.

1Thank You

Aadya Singh ? 6 years, 4 months ago

When a ray of light incident normally on the surface.

1Thank You

ANSWER

why should magnesium ribon be cleaned before buring in air

Posted by Sakshi Singh Rajput Sakshi 6 years, 4 months ago

CBSE > Class 10 > Science

7 answers

Shivam Mishra 6 years, 3 months ago

you are my whole world

0Thank You

Sandhya Yadav 6 years, 3 months ago

If we don't rub it . It make barrier in burning that's why...

0Thank You

Sundram Kumar 6 years, 3 months ago

Because when it is exposed in air then a layer of magnesium oxide is come on the magnesium ribbon so we have to clean it by sand paper

0Thank You

Aadya Singh ? 6 years, 4 months ago

The magnesium ribbon which we use usually has coating of magnesium oxide on its surface which is formed by the slow action of oxygen of Air on it .So, before burning in air, the magnesium ribbon is cleaned by rubbing with Sandpaper to remove the protective layer of magnesium oxide from the surface of magnesium ribbon so that it may readily combine with oxygen of air.

2Thank You

Sakshi Singh Rajput Sakshi 6 years, 4 months ago

I am not satisfied

1Thank You

Ravi Choudhary 6 years, 4 months ago

As some of its outer portion already reacted with atmospheric air...nd a layer formed on it so to remove these reacted layer we should have to Clean... before taking to any experiment.....

0Thank You

Priyanshu Kumar ????? 6 years, 4 months ago

Magnesium ribbon is cleaned before burning in air to remove the protective layer of magnesium oxide so that it may burn easily.

1Thank You

ANSWER

What type of reproduction take place in plasmodium

Posted by Nisha Kumari 6 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Sandhya Yadav 6 years, 3 months ago

Asexual reproduction (multiple fission).

1Thank You

Ravi Choudhary 6 years, 4 months ago

Both (Asexual and sexual)

0Thank You

Sanket Arjun 6 years, 4 months ago

Multiple fission

1Thank You

ANSWER

Structure of acetone

Posted by Yashika Yashika 6 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Ravi Choudhary 6 years, 4 months ago

(CH3)2CO... You should draw it by yourself

0Thank You

ANSWER

Name the 2 type of reproduction

Posted by Nisha Kumari 6 years, 4 months ago

CBSE > Class 10 > Science

3 answers

Sakshi Singh Rajput Sakshi 6 years, 4 months ago

asexual and sexual reproduction

0Thank You

Ravi Choudhary 6 years, 4 months ago

Asexual...in lower and sexual in High organisms

1Thank You

Abhinav ? 6 years, 4 months ago

Sexual and asexual

3Thank You

ANSWER

Who invented ph scale

Posted by Rahul Ranjan 6 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Sakshi Singh Rajput Sakshi 6 years, 4 months ago

A scale called ph scale was developed by a Danish chemist named SORENSEN

0Thank You

ANSWER

Date sheet kya hai

Posted by Sachin Yadav 6 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Ketan Pandey 6 years, 4 months ago

Exam starts from 15 feb vocational subjects

0Thank You

ANSWER

Another name for Benzene??

Posted by Praneeth Grandhi 6 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Krishna Agnihotri 6 years, 4 months ago

Cyclo hexane

0Thank You

Saurabh Yadav 6 years, 4 months ago

Cyclohexane

1Thank You

ANSWER

Common name of propanol

Posted by Anu Saini 6 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Fear Fighter 6 years, 4 months ago

Propylalcohol

1Thank You

ANSWER

What reaction takes place in water H2O

Posted by Mohd Aman 6 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Activity 4.8 class 10. Science

Posted by Karan Sr 6 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Consider a conductor of resistance R , length L thickness d and resistivity p now the conductor is cut into four equal parts.what will be the new resistivity of each of this parts?why

Posted by Anjali Ray 6 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

If a person has met with an accident and got injured near the stomach. What are possible effects of degistion in that person .

Posted by Lekkala Sashank 6 years, 4 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is the difference between egestion and excretion

Posted by Raunak Raj 6 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Sakshi Singh Rajput Sakshi 6 years, 4 months ago

Egestion mean taking of food ( fats , proteins vitamin etc that gives energy to do some work while Excretion means remove of unwanted products from body

1Thank You

Mohd Aman 6 years, 4 months ago

Egestion means taking of food inside us by which we get energy and excretion means cleaning out of the metabolic waste present in our body made by the process of digestion

0Thank You

ANSWER

Ammonia reacts with oxygen to form nitrogen and water dot write a balanced chemical equation for this reaction and the state symbols for the all reaction at products

Posted by Viju M 6 years, 4 months ago

CBSE > Class 10 > Science