1. Safety matches contain a mixture of the following:

2. Antimony trisulphide is mainly used in manufacturing:

3. Nitrate esters are mainly used in making:

4. Rancidity occurs due to:

5. Which gas mainly causes rancidity in food?

6. Build-up of lactic acid in muscles causes the following:

7. Nitric acid is used in purification of:

8. Gold is:

9. Hydrochloric acid helps digestion by activating:

10. Oxalic acid is naturally found in:

11. Tartaric acid occurs naturally in the following:

12. The salt of tartaric acid is:

13. Vinegar mainly contains:

14. Malic acid is most abundantly found in the following:

15. Acid rain mainly contains the following:

16. Latex is mainly composed of the following:

17. Terylene is mainly used for making the following:

18. Polystyrene is widely used in:

19. Pentane is used to create:

20. PTFE is commonly known as

21. Ethylene gas is used for:

22. Chloretone acts as a

23. Diclofenac is responsible for a decline in:

24. Eszopiclone is used in the treatment of:

25. Oxidising bleaching agents without chlorine are based on:

26. Hydrogen peroxide is used as:

27. Lindane is used in creams and shampoos for:

28. Freon is generally used as:

29. CFCs are responsible for:

30. Bromomethane is used to kill the following:

31. Kerosene is also known as the following:

32. Antiseptics are chemicals that:

33. Boric acid is used as:

34. Lauric acid is found in:

35. Seawater is a rich source of:

36. Helium is used in balloons because it is:

37. Carbon dioxide is used in:

38. Nitrogen gas is filled in chip packets because it:

39. Ammonia is chemically known as the following:

40. Urea is prepared from:

41. Common salt is chemically known as:

42. Sodium benzoate is mainly used as:

43. Formic acid is useful in:

44. Calcium metabisulphite is used for:

45. Sodium palmate is commonly used in:

46. Sodium hydroxide is used in manufacturing: