Kerala PSC - Important and Expected General Science Questions - 43

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1. Ore of Barium

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2. Duralumin is an alloy of Aluminium, Magnesium, Manganese and ---

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3. 916 gold means --- carat gold

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4. Anthrasite is known as

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5. The hardest natural substance

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6. Which isotope of Carbon is used for Carbon dating

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7. The chemical name of aspirin

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8. Aqueous sodium chloride solution is known as

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9. King of Chemicals 

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10. The structure of Benzene was discovered by

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11. Who classified elements into metals and non-metals

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12. Who discovered Neon

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13. Who extracted Aluminium economically from Bauxite for the first time

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14. Ferric oxide imparts --- colour to rubber products

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15. Sodium Borate is also known as

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16. Electrolyte used in dry cell

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17. Sugar obtained from 'sugar cane'

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18. The constituent of all protein molecules

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19. Chemical property of an element is determined by

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20. Which metal contributes largest portion of the mass of the earth 

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