What is the action of dry HCl gas on dry litmus paper?
A. Blue litmus paper turns red
B. Blue litmus paper turns white
C. Blue or red litmus paper does not change its color
D. Red litmus paper turns blue
Answer: Option C
Related Questions on Acid, Base and Salts
Which one of the following is an organic acid?
A. Hydrochloric acid
B. Nitric acid
C. Acetic acid
D. Sulphuric acid
Vinegar used in cooking contains which of the following compounds?
A. Methanol
B. Sodium sulphate
C. Ammonia
D. Acetic acid
Muriatic acid is scientifically known as:
A. Perchloric Acid
B. Hydrochloric Acid
C. Sulphuric Acid
D. Picric Acid

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