O Level Chemistry MCQs – Certification Test 663

Salts: Hydrogen of Acids MCQ (Question 663) – App & e-Book Download

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MCQ 663: Considering the reaction equation CuO + H₂SO₄ → CuSO₄ + H₂O, excess of Copper Oxide (CuO) is added to get:

more mass of salt
neutralize excess acid
ease the salt crystallization
help salt retain the water of crystallization

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