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What is the specific gravity of tetra ethyl lead (TEL)?

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What is the specific gravity of tetra ethyl lead (TEL)?

(a) 1.09

(b) 1

(c) 1.97

(d) 1.62

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Right choice is (d) 1.62

The explanation is: Tetra ethyl lead is a colourless liquid with sweet odour. Specific gravity is the ratio of the mass of a substance to the mass of a reference substance for the same given value. 1.09 is the specific gravity of water.

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