Ten > Chemical Reaction
Answer the asked questions on the basis of the given chemical equations.
(a) CaCO$_3$ $\xrightarrow{\triangle}$ CaO + CO$_2$
(b) Zn + H$_2$SO$_4$ $\rm \rightarrow $ ZnSO$_4$ + H$_2$
- Identify the endothermic reaction from the above reactions.
- What happens when powder of CaCO$_3$ , is used instead of pieces of CaCO$_3$ , in the chemical reaction?
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