science

Which of the following chemicals is insoluble in water?

A. C6H6 {benzene)

B. HCI (hydrochloric acid)

C. NH3 (ammonia)

D. NaHC03 (sodium bicarbonate)

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  1. i think its A

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  2. And you are right.
    While I'm at it let me expand on one of the answers.
    HCl is a gas. As a gas it is properly called hydrogen chloride gas. When it is dissolved in water to form an aqueous solution it is called hydrochloric acid and written as HCl(aq).

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