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Heat, Light, Electrical Energy

In modern mat...

Question

In modern matches, why do we need to rub the bulb on the matchbox?

A

Sulphur

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B

Potassium Chlorate

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C

Both Potassium Chlorate and Sulphur

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D

Nitrogen

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Solution

The correct option is A
Sulphur

In modern matches, the bulb contains red phosphorus which will only ignite on being rubbed with white phosphorus present on the rough strip of the matchbox.

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