Chlorine gas is prepared in the laboratory by
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- A Adding concentrated hydrochloric acid to solid manganese (IV) oxide
- B Aciding concentrated tetraoxosulphate (VI) acid to solid sodium chloride
- C Dropping concentrated hydrochloric acid onto potassium tetraoxomanganate (VI) crystals
- D Aciding concentrated tetraoxosulphate (VI) acid to hydrochloric acid
Correct Answer: Option A
Explanation:
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