Top 500+ TNPSC Group 4 Chemistry Questions and Answers - 4

Question: 16

Which of the following halogens does not combine with sulphur?

(A) Fluorine

(B) Iodine

(C) Chlorine

(D) Bromine

Question: 17

The transition temperature between two allotropic forms of sulphur is

(A) 369 K

(B) 388 K

(C) 443 K

(D) 673 K

Question: 18

Which of the following compounds does not contain carbonyl group?

(A) Methanol

(B) Ethanol

(C) Propanone

(D) Ethanoic acid

Question: 19

The carboxylic acid present in butter is

(A) Acetic acid

(B) Butyric acid

(C) Formic acid

(D) Oxalic acid

Question: 20

The Latin name of vinegar is

(A) Bacterium

(B) Butyrum

(C) Acetum

(D) Formica