Question

Fill in the blanks.

1. Burning of wood is a _______ change.
2. Sugar turns into ______ on heating.
3. During a chemical change, rearrangement of ________ takes place.
4. The reaction in which heat energy is released is ________ reaction.
5. The process of forming crystals from its solution is known as _________.
6. In rusting ________ of iron takes place.

Answer 1

1 Chemical
2.chemical
3.atoms
4.exothermic
5. crystallisation
6. oxidation

Answer 2

1) physical
2) liquid
3) molecules
4) exothermic
5) Crystallization
6) oxidation
hope it helps you