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EVALUATION

Multi-select

Question

1. The following are facts about HCl, which one is not

Answers

a) It is basic in nature

b) it turns litmus papers to red

c) the atoms are bonded covalently

d) reacts with metals to produce a salt and hydrogen gas

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Question

2. which of the following following is the best method of collecting dry HCl gas?

Answers

a) Over water method

b) downward delivery

c) downward displacement of air

d) Liquefaction

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Question

3. why is it necessary to collect a dry HCl gas?

Answers

a) so that it can be more denser

b) Not to make the apparatus dirty

c) The gas dissolves in water to make hydrochloric acid

d) the mixture is explosive

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