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1. Introduction To Chemistry

4. ELEMENT Metal Non-Metal (l) (s) (g) (l) (s) (g) – gas (l) – liquid (s) - solid

24. Carbon C Diamond & Graphite

26. Iodine I Use : Antiseptic

29. Oxygen O Use : Gas for Breathing

30. Phosphorus P Use : Matches

31. Silicon Si Use : Computer CPU

32. Sulphur S Use : Manufacture of Sulphuric Acid

42. Ethanoic acid Use : Vinegar Constituents : C , H , O

43. Trichloromethane (Chloroform) Use : Anaesthetic Cost : C , H , Cl

45. Examples of Mixtures Air– Oxygen, Nitrogen, Carbon dioxide, water vapor etc

47. Milk Components : Lactose, water, proteins, vitamins, minerals etc