Q.

Which of the following statements about petroleum is not correct?

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a

Petroleum is insoluble in water

b

Petroleum is a dark coloured oily liquid with a characteristic smell

c

Petroleum is formed by decomposition of animal and plant remains inside the earth

d

Petroleum is heavier than water

answer is B.

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Detailed Solution

Because only polar chemicals may dissolve in polar solvents like water, petroleum is insoluble in water due to its non-polar nature. It is also lighter than water due to its lower density and higher volatility.

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