Which acid is used in the manufacture of chlorine to absorb the water vapour formed?
A
Sulphuric acid
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B
Sulphurous acid
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C
Nitric acid
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D
Hydrochloric acid
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Solution
The correct option is A Sulphuric acid Sulphuric acid has a great affinity for water. It readily removes elements of water from other compounds. This is why it's called a dehydrating agent. It can also absorb water present in the surroundings which is why it's also referred to as a hygroscopic substance or a desiccating agent. It has so many ways to get water! This is why it can be effectively used to remove water vapour when chlorine is being manufactured.