A temperature change in a reaction indicates a. physical change b. no change c. a chemical change d. a positive change

Question

Chemistry

Jonathan Lewis

26 February, 03:55

A temperature change in a reaction indicates a. physical change b. no change c. a chemical change d. a positive change

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Answers (2)

Know the Answer?

Nehemiah Jarvis · Answer 1

a change in temperature indicates chemical change

Dania Carrillo · Answer 2

Answer : The correct option is, (C) a chemical change

Explanation:

Physical change : It is a change in which no new compound or substance is formed. In this, changes occurs only in the phase.

Chemical change : It is a change in which a new compound or substance is formed and releases some energy. There is no changes occurs in the phase.

For example:

When eggs cooked : It is a chemical change because a new compound or substance is formed by the temperature change. As we know that a liquid is present inside the egg, when we are cooking the egg then the liquid changes to solid by providing temperature. So, a temperature change in a reaction indicates a chemical change.

Hence, the correct option is, (C) a chemical change