CBSE > Class 12 > Chemistry | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Why covalent are called network solid

Posted by Yash Yash Yadav 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

The edge length of Nacl unit cell is 564Pm .What is the density of Nacl

Posted by Bushra Khan 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

The edge length of Nacl unit cell is 564 pm .What is the density of Nacl

Posted by Bushra Khan 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is the oxidation number of Fe in {Fe(en)}^-1

Posted by Bhavya Kwatra 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Tell the scope of chemistry and what has job oppurtines about chemistry

Posted by Nishi Singh Bidhuri 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Why Floro compounds cannot be prepared by Electrophlic Substitution Reaction ?

Posted by Anand Oza 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is the role of Zn in extraction of gold

Posted by Pandarinath Guptha 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Shivam Shivam 8 years ago

It actually as a reducing agent

ANSWER

Calculate Molal elevation Constant of water it being given that 0.1 molal aqueous solution of a substance boiled at 100.052

Posted by Mritunjay Tiwari 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Distinguish between alcohol and phenol with chemical equation

Posted by Harshitha Parandaman 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Shreyas Trivedi 8 years ago

Phenol is usually used for OH bonded with benzene ring whereas alcohol is ethane(common name C6H5OH (phenol) CH3--CH2OH. (ethanol) This is the answer as per me

Shreyas Trivedi 8 years ago

Phenol is usually used for OH bonded with benzene ring whereas alcohol is ethane(common name is alcohol) H __ I / \__OH (phenol) CH3--C--OH. (ethanol) \ __ / I H This is the answer as per me

Shreyas Trivedi 8 years ago

Phenol is usually used for OH bonded with benzene ring whereas alcohol is ethane(common name is alcohol) H __ I / \__OH (phenol) CH3--C--OH. (ethanol) \ __ / I H This is the answer as per me

ANSWER

Why can't the C2 bond exist? Which has four bonds between them?

Posted by Shreyas Trivedi 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Calculate no. Of fcc unit cells if radius of iron is 200 pm

Posted by Aman Pant 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Raults law

Posted by Jyoti Suntha 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Vikhyat Singh 8 years ago

My dear friend u can find the law in solution chapter of class 12 ncert

ANSWER

Ch3ch2ch=ch2+hbr__peroxide__>?

Posted by Ravin Sarkar 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Mohit Singh 8 years ago

Use antimarkonikov rule given in ncert ch-10

Shreyas Trivedi 8 years ago

Ch3Ch2Ch2-Ch2Br will form

Vikhyat Singh 8 years ago

Anti marking rule and formation of free radicle br at 1

ANSWER

Are NCERT books sufficient for chemistry in neet ?

Posted by Abhavya Shukla 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Dasneet Nanehry 8 years ago

Yes

ANSWER

What happens when ethyle iodide is heated with alcoholic solution of KOH?

Posted by Ambika Muduli 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Tamanna Tanwar 8 years ago

In the presence of alcoholic koh elimination occur hence ethene is formed

Chinmay Nanda 8 years ago

Ethanol will form

ANSWER

A sucrose solution is isotonic with 0.9% urea solution. What will be the concentration of sucrose solution??

Posted by Daman Sethi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Arpita Mahata 8 years ago

0.877 m

ANSWER

Explain the standard electrode potential

Posted by Vikas Singh 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Sister plz give the example of maths because i am weak in chem.

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

5 answers

Go Pika 8 years ago

Hope you catch my points

Go Pika 8 years ago

1×1 is 1 will this imply 2×2 is 2

Go Pika 8 years ago

2×2 is 4 2^2=4 will this imply that 3×2=3^2¿

Go Pika 8 years ago

Ohh

Go Pika 8 years ago

@_@ what

ANSWER

But we can apply a sq-b sq formula for 1sq-1sq .Because we get same result 0

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Go Pika 8 years ago

1 is universal. So don't apply for other numbers. I can give you example regarding the hydrogen structure. Whee you can't apply for other atoms. Not even for helium the work done by him was going well. Same here too. Hope you get it

Devraj Pahariya 8 years ago

Hey sister

ANSWER

No sister plz again explain

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

5 answers

Go Pika 8 years ago

Hey got it????

Go Pika 8 years ago

Say*

Go Pika 8 years ago

Sag

Go Pika 8 years ago

Is you are able to prove 1=2 then you can similarly proove 1=2...9 si wants the use of number system}? Got it?

Go Pika 8 years ago

I said you can't apply a sq - b sq formula for a sq - a sq.

ANSWER

So sorry sister pr kitna percentange aa sakta hai tumhara ye to bataya hi nhi ?

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Go Pika 8 years ago

Did my worse in maths. Physics and chemistry was just good. English. As usual I've nailed..but marks it depends. Biology I'm aiming seriously high ro literally nail

Go Pika 8 years ago

Not sure if even 90%

ANSWER

A solution contains 25% of water, 25% of ethanol and 50%of ethanoic acid by mass ,calculate the mole fraction of component.plz give solution?

Posted by Mamta Samrath 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Bhai exam kese ja rhe hai kitna percentage lane ki kosis me ho

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Go Pika 8 years ago

I thought I'm gonna score really well. But not.this time all papers were so much easy sk you may expect a tougher one

ANSWER

Weightage kya hai numericals ka 12 chemistry paper me or plz chapter names again send kr do yar

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

5 answers

Go Pika 8 years ago

Staying relax is not possible. So I say show off that your the coolest person in the world.

Pranav Rastogi 8 years ago

Don't take tension.. Be relaxed and always be positive

Go Pika 8 years ago

Everyone were like that because 11th was tough. It's so much easy because the syllabus is less. And I've seen your curiosity. You'll be doing a great job. It's damn easy if you just love what your doing

Devraj Pahariya 8 years ago

Thanks yar pr dar lag rha hai 12 me aa gya hu na

Go Pika 8 years ago

I sent 1st four lessons. Weightage 15-20 marks maximum

ANSWER

I am now in 12 so tell friends numericals chapters of chemistry

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Go Pika 8 years ago

Sorry solids*

Go Pika 8 years ago

-would- solid states*

Go Pika 8 years ago

4 lessons

Go Pika 8 years ago

Would states solutions chemical kinetics electro chemistry

ANSWER

Now i am in 12 after 11 and i got 10 CGPA in 10 exam but now i am in 12 and i want to score 95+ in chemistry so how i prapare for it

Posted by Devraj Pahariya 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Go Pika 8 years ago

And your there

Go Pika 8 years ago

Going through ncert word by word and memorising it each and every single equations and going through part year papers is the key

Go Pika 8 years ago

Just follow your teachers . Just be sure with concepts. Clear your stupid small doubts.

Go Pika 8 years ago

So much easy. But difficult

ANSWER

Bjmm

Posted by Rohit Kumar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Medhavi Singh 8 years ago

??

ANSWER

Structure of hexaphenol

Posted by Anagha Shaji 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

calculate the vapour pressure of an aqueous solution of 1 molar glucose at 25 degree Celsius ?

Posted by Abhishek Anand 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Why cubic unit cells are of only three types?

Posted by Aayush Rathi 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Devraj Pahariya 8 years ago

Pagal ho kya yar

Om Gupta 8 years ago

Father of chemistry Se Ja Karen pucho

ANSWER

Page 397 of 608

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App