Which of the following are the components of a matchstick head?

Antimony trisulfide

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Potassium chlorate

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Sodium chloride

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Carbon dioxide

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Solution

The correct options are
A Antimony trisulfide
B Potassium chlorate
The head of a matchstick is made up of antimony trisulphide, potassium chlorate and white phosphorus.
However, the use of white phosphorous is considered unsafe for the user. So these days, a matchstick contains only antimony trisulphide and potassium chlorate.

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