Physical and Chemical changes

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1. A change in which a substance undergoes a change in its physical properties is called a .

2. Chemical changes are the changes in which properties of substances are changed and new substances are formed.

3. Most of the chemical changes are .

4. The process of converting reactants into products by applying certain criteria is called a .

5. Substances which are present before a reaction are called .

6. Substances which are formed after the reaction are called .

7. The process of depositing a layer of zinc on iron is called .

8. is the process of getting crystals of pure substances from their solutions.

9. When carbon-di-oxide is passed through lime water,it turns milky due to the formation of .

10. The chemical name of baking soda is carbonate.