CORRECT-INCORRECT STATEMENT Which of the following statement is not correct? (1) \( \mathrm{KOH}...

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CORRECT-INCORRECT STATEMENT
Which of the following statement is not correct?
(1) \( \mathrm{KOH} \) is a stronger alkali than \( \mathrm{NaOH} \).
(2) Milk of magnesia is an aqueous suspension of \( \mathrm{Mg}(\mathrm{OH})_{2} \).
(3) \( \mathrm{MgO} \) is a refractory material used for lining electrical furnaces.
(4) \( \mathrm{Mg}(\mathrm{OH})_{2} \) precipitates on heating hydrated \( \mathrm{MgCl}_{2} \).
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