13.)Soda water contains A.Carbonic Acid B.Sulphuric Acid C.Carbon Dioxide D.Nitrous Acid View Answer Correct Answer: C. 14.)Balloons are filled with A.NitrogenB.Helium C.OxygenD.Argon View Answer Correct Answer: B. 15.)LPG contains___ (A)Butane and Isobutene (B)Butane and Propane (C)Isobutene and Propane (D)Butane, Isobutene and Propane View Answer Correct Answer: B. 16.)Cooking oil can be converted into vegetable ghee by the process of____ (A)Oxidation(B)Crystallization (C)Distillation(D)Hydrogenation View Answer Correct Answer: D. 17.)Milk is an example of ___ (A)Suspension(B)True Solution (C)Emulsion(D)Gel View Answer Correct Answer: C. 18.)Sodium metal is kept under A.PetrolB.Alcohol C.WaterD.Kerosene View Answer Correct Answer: D.