Question

A student performed following experiments:

Reaction 1: 2AgBr sunlight-- Ag+ Br2

Reaction 2: 2Mg+ 02—2MgO+Light

Choose the correct observation:

A) Reaction 1 and Reaction 2 are both endothermic reactions.

B) Reaction 1 and Reaction 2 are both exothermic reactions.

C) Reaction 1 is endothermic reaction and Reaction 2 is exothermic reaction.

D) Reaction 1 is exothermic reaction and Reaction 2 is endothermic reaction.

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Answer 1

Answer of your question is:

Option C

Answer 2

Answer:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.Nov 4, 2020

Explanation: