Lime water contains:
ASodium chloride
BHydrochloric acid
CMagnesium oxide
DCalcium hydroxide
Answer & Solution
Correct answer: D. Calcium hydroxide
1. Lime water is made by stirring lime into water.
2. It behaves as a base, not as an acid.
3. Lime water contains calcium hydroxide.
4. So the answer is calcium hydroxide.
_Source: NCERT Class 7 Science, Ch 4 'Acids, Bases and Salts'_
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