Question

A gas is produced when cone H2SO4 is added to solid sodium chloride taken is a test-tube. The gas coming out through the delivery tube is passed over a dry blue litmus paper.

I. Blue colour of litmus changes into Red
II. Blue colour oflitmus does not change into

i)I is correct
ii) II is correct
iii) I and II both are correct
iv) I and II both are wrong​

Answer 1

Answer:

HCl gas is produced. When the gas is passed through dry litmus paper, there is no change in colour because it cannot show acidic properties, as H+ ions are not present.

so the answer is (ii) II is correct

hope it helps