Given below are two statements: one is labelled as Assertion $$\mathbf{A}$$ and the other is labelled as Reason $$\mathbf{R}$$

Assertion A : Aniline on nitration yields ortho, meta & para nitro derivatives of aniline.

Reason $$\mathrm{R}$$ : Nitrating mixture is a strong acidic mixture.

In the light of the above statements, choose the correct answer from the options given below

Match List I with List II

	List - I (Polymer)		List - II (Nature)
(A)		(I)	Thermosetting polymer
(B)		(II)	Fibers
(C)		(III)	Elastomer
(D)		(IV)	Thermoplastic polymer

Choose the correct answer from the options given below :

Two statements in respect of drug-enzyme interaction are given below

Statement I : Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.

Statement II : An inhibitor can form a strong covalent bond with the enzyme.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R

Assertion A : Thin layer chromatography is an adsorption chromatography.

Reason R : A thin layer of silica gel is spread over a glass plate of suitable size in thin layer chromatography which acts as an adsorbent.

In the light of the above statements, choose the correct answer from the options given below