Question

A temperature change in a reaction indicates_____.

a physical change
no change
a chemical change
a positive change

Answer 1

chemical change is the reaction

Answer 2

A temperature change in a reaction indicates a chemical reaction.

Step-by-step explanation:

Chemical change: is a process in which new substance is formed and energy is released with change in the temperature.

Example of chemical change

• Burning

• Cooking

• Rotting

• when the egg is boiled liquid get to change into solid with the temperature provided, this change is an example of chemical change.

Physical change:It is a process where a new compound is formed but there is a change in shape and size.

Example of Physical change

• Ice melting

• Boiling water