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Was the cbse class 12 chemistry paper difficult????

Posted by Sanjot Kaur 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

How benzen convert into butanoic acid

Posted by Prashant Lohiya 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Tamanna Yadav 8 years ago

Can't possible or y kmno4 se ni hoga

Wolvrine Ro 8 years ago

React with it by KmNo4

ANSWER

What is anneling

Posted by Aparna Chaudhary 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Wolvrine Ro 8 years ago

Process of conversion of quartz into glass

ANSWER

Different between isotopic and unisotropic

Posted by Harshendra Yadav 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Varun Kumar 8 years ago

Pehle waale me in Nahi aata

ANSWER

Fredalcraft acylation

Posted by Aakash Rana 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Amino acid show amphoteric behavior why ?

Posted by Deepak Kumar 8 years ago

CBSE > Class 12 > Chemistry

5 answers

Cicil George 8 years ago

?

Tanuja Biswas 8 years ago

Welcome?

Deepak Kumar 8 years ago

Thnx

Tanuja Biswas 8 years ago

Yes u gave right answer .. zwitter ion is formed due to which both -ve and +ve centres are formed in aqueous medium. Due to which amino acid can react with both acids and bases.

Cicil George 8 years ago

Because they may have zwitter ion in them... I think so..

ANSWER

Why phenol is acidic in nature

Posted by Nitish Mahato 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Anmol Panwar 8 years ago

Bcz in case of phenol electron density at O atom increase due to resonance and various other factor this make the bond between O and H atoms weaker so phenol donate H atom easily and show acidic in nature

Shivam Kaushal 8 years ago

Phenyl group act as a E.W.G group which increase the acidic nature and decrease the basic nature due to resonance effect

Ankit Sahani 8 years ago

Because its loses H+

Ankit Sahani 8 years ago

Bhai chemistry ka paper ho gya

ANSWER

Why chemistry is a subject

Posted by Progoku Assassin 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Varun Kumar 8 years ago

Bai chhotiya hai kya

Vishal Bothra 8 years ago

So that you study it ????

Vishal Bothra 8 years ago

Do that you study it ?

ANSWER

Describe the effect of a) addition of water

Posted by Himanshu Rohilla 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Defect in solid

Posted by Sonal Agrawal 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Shivanshu Yadav 8 years ago

Exam to hogya iska

ANSWER

Convert ethanal to ethanol

Posted by Anjali Vijay 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Vishal Bothra 8 years ago

For converting ethanal to ethanol Step1 write ethanal +(-a) +o --> ethanol + a Step2 as we know a is for apple now you can have it

Eati Srinivasa Rao 8 years ago

Use pcc

ANSWER

Protonation of alcohol

Posted by Shivi Var 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is amplitude modulation

Posted by Ankit Chauhan Rajput 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

why protons in a nucleus do not repel each other ?

Posted by Sahil Kumar 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Tanuja Biswas 8 years ago

Is is so because of the presence of strong nuclear force between nucleons ie. Both neutrons and protrons. Strong nuclear force is the strongest force in nature which overcomes the effect of electrostatic force of repulsion between protrons.

K Gopika 8 years ago

Because the five between them is charge independent

ANSWER

Kya Chem ka paper dubara he

Posted by Hany Sharma 8 years ago

CBSE > Class 12 > Chemistry

2 answers

K Gopika 8 years ago

Not again !_!

Shagun Waraich 8 years ago

No

ANSWER

difference between molecular and ionic solid

Posted by Ananya Gupta 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Tamanna Yadav 8 years ago

Yrr chem ka paper to hoga dubara dene ki tyari kar ri h k

ANSWER

What is vacancy defect?

Posted by Sruti Srivastava 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Shivam Kaushal 8 years ago

When the lattice points are vaccant due to heating and density decrease .this is known as vaccancy defect

Pruthviraj Biradar 8 years ago

When someone of the lattice sites are vacant then the crystal is said have vacancy defect

Pruthviraj Biradar 8 years ago

In Crystal solid if their is

ANSWER

Chemistry paper is again...Held which date

Posted by Sagar Malik 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Shefali Mourya 8 years ago

Nobody said that it will be held again.....if happening also it would have appeared in news channels and everywhere

ANSWER

Can anyone explain me...the ques 2 of llp from cbse imp ques section of maths l am not able to understand the ques...

Posted by J Ranjan Parida 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Which element of group 15 have largest bond angle

Posted by Kaushal Kumar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Muskaan Gugnani 8 years ago

Nitrogn

ANSWER

Chem ka paper leak ho gaya toh kya dobara se hoga

Posted by Vishal Pratap 8 years ago

CBSE > Class 12 > Chemistry

5 answers

Vedita Sharma 8 years ago

rumours*

Vedita Sharma 8 years ago

Yes all r rumors

Vishal Pratap 8 years ago

Newspapers hindustan times and TOI

J Ranjan Parida 8 years ago

That all are rumours nothing else

Charu Chauhan 8 years ago

Who told u about that

ANSWER

Carbon reduction process

Posted by Rajeev Modi 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Sab ka chemistry. Ka paper kiasa gya??

Posted by Sushmita Mishra 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Vishal Pratap 8 years ago

Zhakkas bohot aacha gaya

ANSWER

What is the full form of pH

Posted by Maths Topper Girl 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Yash Sharma 8 years ago

Power of hydrogen higher the ph higer the no H ions

ANSWER

Iron has high enthalpy of atomization than that of copper.give reason

Posted by Tamanna Nehra 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Bhavika Rai 8 years ago

Bcz of more unpaired electrons in fe than cu then it has higher boiling and melting pt.

ANSWER

Somebidy tell me that cmprtmnt paper is harder than exam paper.... In chemistry

Posted by Manish Kumar Singh 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Vedita Sharma 8 years ago

Hi JR

J Ranjan Parida 8 years ago

Yes.. it's true..

Sunaina Malik 8 years ago

Yes

Charu Chauhan 8 years ago

Yes

ANSWER

Chem ka ppr kya dobara ho rha h??

Posted by Bhavika Rai 8 years ago

CBSE > Class 12 > Chemistry

6 answers

Bhavika Rai 8 years ago

Arre nhi someone asks m.my chem xam was osm Physics m shayad 50+

Rahul Chauhan 8 years ago

Bhaiyo koi exam dobara nahi hoga kyoki cbse ne kaha h ki its a rumour only...

Tamanna Yadav 8 years ago

Ni bilkul ni kisne kaha

Ajay Kumar 8 years ago

Physical ka hona chahie

Aditya Raj 8 years ago

Physics me pass ho kya

Aditya Raj 8 years ago

Q dena hai apko

ANSWER

Metallic solids

Posted by Ritesh Yadav 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Aditya Raj 8 years ago

Compart ka preparation chal rha hai kya

Aditya Raj 8 years ago

Xam ke bd bhi padh rhe ho kya

Divyanshi Singh 8 years ago

Crystalline solids in which the constituent particles are orderly collection of positive ions held together by a sea of free electrons.

ANSWER

paper leak hogaya yar

Posted by Shobhitha Shetty 8 years ago

CBSE > Class 12 > Chemistry

6 answers

Akshara Nair 8 years ago

100% leak hua h chemistry k paper

Divyanshi Singh 8 years ago

Chemistry ka to pata nahi pr....Accountancy ka hua hai leak

Nishit Mangal 8 years ago

Maths ka?

Shobhitha Shetty 8 years ago

ya

Divyanshi Singh 8 years ago

Retest hoga???

Akshara Nair 8 years ago

Yes and we want a retest

ANSWER

formula of mole

Posted by Satyam Anand 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Tehrim Rockstar 8 years ago

given mass by molar mass

Tarang Raj 8 years ago

6.022×10 to the power 23

ANSWER

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