When a piece of plastic becomes positively charged it has:

Gained protons

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Lost protons

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Gained electrons

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Lost electrons

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Solution

The correct option is D Lost electrons
Since only electrons are loosely bound to the atom, hence when plastic becomes positively charged it must have lost some of its electrons.

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Similar questions

When a plastic comb is rubbed with dry hair, the hair get positively charged by friction. In this process:

(a) the hair lose some positive protons

(b) the hair gain some positive protons

(d) the hair gain some negative electrons

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