Question

Write the characteristics of a chemical change.

Answer 1

Chemical change: A change in which one or more new substances are formed is called a chemical change. Some examples of chemical changes are the burning of any substance, and rusting of $\mathrm{Iron}\left(\mathrm{Fe}\right)$.

Some of the characteristics of chemical change are:

• In Chemical changes there is always a new product formed.
• In chemical changes the changes occur in the composition of the substance
• The changes in Chemical change are generally irreversible and permanent.
• In chemical changes, It might give off light or heat.
• In chemical changes, acolour change might occur.