General Science Question and Answers - TNPSC

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GENERAL SCIENCE QUESTIONS AND ANSWERS 16 to 20

16. The most important ore of Aluminium is

Bauxite

17. ------ is the best conductor of Electricity ?

Sea water

18.--------- gases is obtained by the reaction of water with Calcium Carbide ?

Methane

19.A substance which changes readily into vapour without heating is called

Volatile

20.A mixture of water and alcohol can be separated by

Distillation

More General Science QUESTIONS AND ANSWERS available in next pages

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