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1. Amyl acetate has the smell of: (a) Grapes (b) Orange (c) Pineapple (d) Banana 2. Which one of the following is not applicable to metals? (a) High Melting point (b) High Boiling point (c) High density (d) Low melting point 3. Volume of liquid is measured in: (a) Litre (b) Gram (c) Metre (d) Yard 4. The material used for the bomb dropped in Nagasaki: (a) Plutonium (b) Thorium (c) Uranium (d) None of these 5. Which human organ is first affected by nuclear radiation? (a) Brain (b) Liver (c) Heart (d) Kidney 6. Which metal contributes the largest portion of the mass of the earth? (a) Aluminium (b) Magnesium (c) Iron (d) Nickel 7. Which element has the smallest atom? (a) Hydrogen (b) Helium (c) Lithium (d) Boron 8. The mineral added to cement to adjust the duration of setting: (a) Epsom (b) Sodium (c) Lime (d) Gypsom 9. Which one of the following is not in crystalline form? (a) Table salt (b) Blue vitriol (c) Rubber (d) Sugar 10. The most abundant mineral in sea water: (a) Sodium (b) Magn...