BASIC SCIENCE GENERAL KNOWLEDGE QUESTIONS AND ANSWERS 11 to 15

11. The element common to all acids is

Hydrogen

12.Gobar gas contains mainly

Methane

13. The most malleable metal is

Pain Killer

14. Tetraethyl lead is used as

Petrol additive

15. Which of the following is used in beauty parlours for hair setting ?

Chlorine

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