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Chemistry
Chemistry
Problem
Which of the following substances on being heated will give a gas that turns limewater milky? a.
Na
2
CO
3
\text{Na}_2\text{CO}_3
Na
2
CO
3
b.
ZnCO
3
\text{ZnCO}_3
ZnCO
3
c.
ZnSO
3
\text{ZnSO}_3
ZnSO
3
d.
MgCO
3
\text{MgCO}_3
MgCO
3
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