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 Form 4 Acids, Bases and Salts Topical Questions and Answers

(a) Starting from solid magnesium oxide, describe how a solid sample of magnesium hydroxide can be prepared.
(b) Give one use of magnesium hydroxide.

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Answer Text:
a)To magnesium oxide (MgO) add excess hydrochloric acid (HCl) or sulphuric acid (#H_2SO_4#).Add sodium hydroxide (NaOH) solution
or potassium hydroxide (KOH) solution to the mixture. Filter and dry the residue.
b)- Anti- acid (treatment of acid indigestion)


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