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The head of the matchstick does not contain:

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Antimony trisulphide

Potassium chlorate

White phosphorus

Black phosphorus

answer is D.

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Detailed Solution

The combination of chemicals in the composition of the matchstick is all except black phosphorus.

Safety matches have an oxidizing agent, such as potassium chlorate, that is combined with sulfur, fillers, and glass powder in the head.

The box side is made up of red phosphorus, binder, and powdered glass.

Black phosphorus is known to be highly flammable and can ignite spontaneously in air at room temperature. This makes it unsuitable for use in matchsticks.

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