Question

What is chemical change ? Write it's characteristics features . Give three examples .​

Answer 1

$\huge\bold\red{Hello}$

Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.

Answer 2

Explanation:

The following can indicate that a chemical change has taken place, although this evidence is not conclusive: 

Change of odor. Change of color (for example, silver to reddish-brown when iron rusts). 

Change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat.

HOPE IT HELPS YOU

PLS MARK ME AS BRAINLIST!!