Multiple Choice Question Answer XI — task. Science CBSE, Class 10.

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1. Which of the following statements is correct

A chemical equation tells us about the substances involved in a reaction
A chemical equation informs us about the symbols and formulae of the substances involved in a reaction
A chemical equation tells us about the atoms or molecules of the reactants and products involved in a reaction
All are correct

2. \(Zn\)(s) + \(H_2SO_4\)(aq) → \(ZnSO_4\)(aq) + \(H_2\)(g) is an example of

Endothermic reaction
Evolution of gas
Precipitation reaction
Change in colour

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