1. Plants mainly composed of

2. the Major fraction in the CNG is

3. Vitamin D is Found in

4. Pure water has the taste

5. the hard water contains the bicarbonates and sulphates of

6. the largest fresh water source of earth is

7. dehydration of alcohols with sulphuric acid yields

8. A solution having Ph of 7.5 mean that it is

9. Deficiency of vitamin A causes

11. Petroleum is refined by the technique of

12. pressure of system effects the equilibrium of

13. Solvation is the process that makes

14. the Number of essential amino acids are

15. The colour of potassium dichromate salt is

16. Fats perform the function of

17. the important source of organic compounds is

18. the atmosphere contains almost the oxygen

19. Methane gas is used in preparation of

20. Most chemical reactions show

21. Major compound present in natural gas is