General Science TNPSC Questions And Answers

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GENERAL SCIENCE QUESTIONS AND ANSWERS 1 to 5

1.The chemical used as a fixer in photography is

Sodium thiosulphate

2. any one substances undergoes chemical change on heating ?

Lead Nitrate

3. The gas used to extinguish fire is

Carbon dioxide

4. The most malleable metal is

Pain Killer

5.A mixture of iron filings and sand can be separated by

Magnetic Separation

More General Science QUESTIONS AND ANSWERS available in next pages

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