Question bank
Question Bank
Cambridge IGCSE Chemistry 0620 · 120 questions
Q104Stoichiometry
The formula of calcium hydroxide is
(a)CaOH
(b)Ca₂OH
(c)CaOH₂
(d)Ca(OH)₂
Correct answer: (d) Ca(OH)₂
Explanation: Ca²⁺ and OH⁻.
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