What will be the effect on the color of dry blue litmus paper when exposed to dry HCl gas?
A. It will become colourless
B. Its colour will be red
C. Its colour will not change
D. Its colour will be pink
Answer: Option C
A. It will become colourless
B. Its colour will be red
C. Its colour will not change
D. Its colour will be pink
Answer: Option C
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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