Question

What will be the action of the following substances on litmus paper ?

a) Dry HCl gas,

b) Moistened NH3 gas,

c) Lemon juice,

d) Carbonated soft drink​

Answer 1

Answer:

Dry HCl gas, moistened NH3 gas, lemon juice, carbonated soft drink, curd, soap solution. Answer: (i) Dry HCl gas No change on litmus paper (ii) Moistened NH3 gas (basic) Red litmus will turn blue. (iii) Lemon Juice (contains citric acid) Blue litmus will turn red

Answer 2

Answer:

a)Litmus colour does not change

B)It change to blue

C)It change to red

D)It turns red

*It refers to litmus