Question

A white solid “X” when reacts with an acid “B” in its dilute solution produces a gas which turns lime water milky. Identify “A” and “B”, and write the two equations involved.

Answer 1

Answer:

X is ZnCO₃  Zinc Carbonate.

B is HCl ( hydrochloric acid)

ZnCO₃ + HCl →  ZnCl₂ + H₂O + CO₂↑( gas )

CO₂ + Ca(OH)₂ ⇒  CaCO₃ + H₂O.

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Explanation:

Answer 2

Answer:

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white solid 'x' is zinc carbonate