Category Chemistry

Chemistry in Everyday Life NCERT Solutions Chemistry Questions

Question 1

Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor, Why?

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Question 2

With reference to which classification has the statement, ‘ranitidine is an antacid” been given?

Question 3

Why do we need to classify drugs in different ways?

Question 4

Explain the term target molecules or drug targets as used in medicinal chemistry.

Question 5

Name the macromolecules that are chosen as drug targets.

Question 6

With reference to which classification has the statement, ‘ranitidine is an antacid” been given?

Question 7

Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?

Question 8

How do antiseptics differ fr...

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Polymers NCERT Solutions Chemistry Questions Class 12 CBSE

Question 1

What are polymers?

Question 2

How are polymers classified on the basis of structure?

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Question 3

Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene.

Question 4

Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene.

Question 5

Arrange the following polymers in increasing order of their intermolecular forces.

(i) Nylon 6, 6, Buna-S, Polythene.

(ii) Nylon 6, Neoprene, Polyvinyl chloride.

Question 6

Explain the terms polymer and monomer.

Question 7

Define thermoplastics and thermosetting polymers with two examples of each.

Question 8

What are natural and synthetic polymers? Give two examples of each type.

Question 9

How do you explain the functionality of a monome...

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