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Option (A) is the correct answer.

Energy being absorbed, as the temperature decreases for the reaction to occur. This decrease in temperature for the reactants indicates energy being absorbed as the reaction proceeds. Thus, by absorbing energy, the reactants are converted into the required products.

Hence, when temperature decreases, the energy is absorbed and the reaction is said to be an endothermic reaction.




Dejanras

Answer is: A. Energy was absorbed.

There are two types of reaction: endothermic reaction (chemical reaction that absorbs more energy than it releases) and exothermic reaction (chemical reaction that releases more energy than it absorbs).

This is endothermic reaction.

For example, the reaction between ammonium nitrate and water absorbs heat from the surrounding environment and a decrease in temperature accompanies a reaction.

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