Question

The various conditions favouring a chemical change.

Answer 1

the conditions are
temperature
pressure
evolution of a hope it helps!!

Answer 2

Explanation:

Chemical change is defined as the change which happens when there is a change in the composition of products. In these reactions, new substance is formed.

Indicators which favors the chemical change happening in the reaction are:

1. Change in the temperature.
2. Formation of bubbles.
3. Noticeable odor once the reaction has started.
4. Color change.
5. Formation of precipitate.

From the above indicators, we can easy judge if chemical change is happening in the reaction or not.