What is the function of potassium chlorate in a matchstick bulb?

The friction generates heat.

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Rubbing causes chemicals to combine.

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Friction removes the bulb so that the wood can start burning.

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Friction breaks the stick.

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Solution

The correct option is A
The friction generates heat.

Potassium chlorate is an oxidising agent and provides necessary oxygen for combustion of phosphorus.

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Similar questions

Q. Potassium chlorate decomposes, on heating, to form potassium chloride and oxygen. When 24.5 g of potassium chlorate is decomposed completely, then 14.9 g of potassium chloride is formed. Calculate the mass of oxygen formed. Which law of chemical combination have you used in solving this problem?

Q. (a) Potassium chlorate (KClO₃) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction and indicate the evolution of gas.
(b) Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.

Q. When we rub our hands together, heat is generated due to friction.

(a) Potassium chlorate $(K C l O_{3})$ on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction adn indicate the evolution of gas.

(b) Rewrite the following information in the form of a balanced chemical equation :

Magnesium burns in carbon dioxide to form magnesium oxide equation :

Q. Why does a matchstick burn on rubbing it on the side of the matchbox?

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What is the function of potassium chlorate in a matchstick bulb?

The correct option is A The friction generates heat. Potassium chlorate is an oxidising agent and provides necessary oxygen for combustion of phosphorus.

The correct option is A
The friction generates heat.

Potassium chlorate is an oxidising agent and provides necessary oxygen for combustion of phosphorus.