Change Around Us

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1. Fishes and meat containing high levels of fatty acids.

2. Photosynthesis is a chemical reaction that takes place in presence of .

3. is a chemical substance which alters the speed of a chemical reaction.

4. Unwanted change in physical, chemical and biological properties of the environment is termed as .

5. Formation of slaked lime from quicklime is a reaction.

6. Dissolved gases like sulphur dioxide, nitrogen oxides in rain water causes .

7. In Haber's Process of producing ammonia, is used as a catalyst.

8. is a concentrated solution of sodium chloride.

9. CFC is a .

10. Acid rain is caused by emissions of and .