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Mohit Sepat 7 years, 3 months ago

What does it mean

Gautham S 7 years, 3 months ago

dcl2

ANSWER

What is pyridine??

Posted by Pratibha Ydv 7 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

G K 7 years, 3 months ago

a colourless volatile liquid with an unpleasant odour,.....its chemical formula is C5H5N.......It is structurally related to benzene, with one methine group (=CH−) by a nitrogen atom.

ANSWER

Give hoffman degradation rxn?

Posted by Aashi Agarwal 7 years, 3 months ago

CBSE > Class 12 > Chemistry

2 answers

Aashi Agarwal 7 years, 3 months ago

Excuse m who are u to tell me what i have to study or not

Dheeraj Singh 7 years, 3 months ago

NCERT bhi padh lia kar

ANSWER

optically active 2-Ioddbutane on treatment with NaI in acetone gives a product which does not show optical acitvity- give reason

Posted by Aashish Bhanushali 7 years, 3 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

If the radius of an octahedral void is r and the radius of atom is close packing is R derive the relationship between r and R

Posted by Mohak Mehta 7 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Mudit Bhardwaj 7 years, 3 months ago

r=0.414R

ANSWER

Syallbus of sa1 chem 2018

Posted by Ranju Shah 7 years, 3 months ago

CBSE > Class 12 > Chemistry

4 answers

Princesses Kaur 7 years, 3 months ago

U only knowledge about topics

G K 7 years, 3 months ago

Its not fixed.....its the choice of subject teacher......In my school syllabus of chem for half yearly is....first 6 chapter + 2 chap of organic.....

Deepak Jindal 7 years, 3 months ago

Okk koi nii

Deepak Jindal 7 years, 3 months ago

Unit 1 to 8

ANSWER

What cause brownian movement in a collidal solution

Posted by Sumit Sahani 7 years, 3 months ago

CBSE > Class 12 > Chemistry

5 answers

Hy Shona 7 years, 3 months ago

What u mean by this koi nhi deepak

Princesses Kaur 7 years, 3 months ago

Why koi nhi

Princesses Kaur 7 years, 3 months ago

Bombardment is mean reson

Deepak Jindal 7 years, 3 months ago

Okk koi nhi

Deepak Jindal 7 years, 3 months ago

Unbalanced bombardment of particle of dispersed phase by molecules of dispersion medium

3Thank You

ANSWER

Fuel cell

Posted by Aman Kumar 7 years, 3 months ago

CBSE > Class 12 > Chemistry

2 answers

Princesses Kaur 7 years, 3 months ago

It is very useful

Deepak Jindal 7 years, 3 months ago

It is a device that converts chemical potential energy into electrical energy

ANSWER

What is azide?

Posted by Kuldeep Meena 7 years, 3 months ago

CBSE > Class 12 > Chemistry

2 answers

Princesses Kaur 7 years, 3 months ago

See substitution rxn of azide gp

Deepak Jindal 7 years, 3 months ago

It is the anion with the formula N3-

ANSWER

What happens when sulphur vapours is passed through chilled water.

Posted by Asha Baghel 7 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Deepak Jindal 7 years, 3 months ago

Formation of molecular colloids.

ANSWER

Consequenses of lanthanoid contraction

Posted by Branded Devil 7 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Deepak Jindal 7 years, 3 months ago

1) Basicity of ions. 2) There is regular decrease in their ionic radii.

ANSWER

Formaldehyde and formic acid can be distinguished by which reagent

Posted by Bindhu Sindhu 7 years, 3 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Br minus ions form close packed structure. If the radius of br minus ion is 195pm,calculate the radius of the cation that just fits in the tetrahedral hole. Can a cation A+ having a radius of 82pm be slipped into the octahedral hole of the crystal A+ br- ??

Posted by Archana Sahoo 7 years, 3 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is mean of situ. In which nitrous acid is prepared. ...... ( In chapter 13 amines).

Posted by Pratibha Ydv 7 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Lipak Mohapatra 7 years, 3 months ago

It means- in reaction mixture.

ANSWER

Are the thirty marks for practicals are conducted internally or externally

Posted by R Meera Raghunaathan 7 years, 3 months ago

CBSE > Class 12 > Chemistry

6 answers

Nilesh Kumawat 7 years, 3 months ago

Externally but it also depends on internally.

Subhayan Das 7 years, 3 months ago

Externally

Princesses Kaur 7 years, 3 months ago

Same ans sab de???

Deepak Jindal 7 years, 3 months ago

Externally

Sushmita Yadav 7 years, 3 months ago

Externals come and take the practicals and ask questiond on any topic related. To practical

Sushmita Yadav 7 years, 3 months ago

Externally