Question

. A reaction is carried out between conc. sulphuric acid and sodium chloride, which react with each other to form HCl gas. Blue litmus paper is brought near the mouth of the delivery tube to check the presence of HCl acid but no change is observed in the color of litmus paper because: *
1 point
The litmus paper used is dry
The litmus paper used is moist
Blue litmus paper does not change its color with an acid
The litmus paper is kept very close to the mouth of the delivery tube
class 10​

Answer 1

Answer:

c is the answer I hope it helps you

Answer 2

Answer:

the litmus paper is dry

Explanation:

disassociation of ions only take place in the presence of water