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Combustion

For the easy ...

Question

For the easy combustion of coal, air has to be blown around it.

A

True

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B

False

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Solution

The correct option is A
True

If air is blown around coal, the air circulation increases the supply of oxygen gas which will help in the complete combustion of coal. Supply of sufficient amount of oxygen gas lets the coal burn completely.

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Air has to be blown around coal for it's easy combustion.

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Q. Question 22
Indicate whether the following statements are true or false. Also write the false statements in their correct form.
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Q. Indicate whether the following statements are True or False. Also, write the false statements in their correct form.
(a) Air is necessary for combustion.
(b) Magnesium is a non-combustible metal.
(c) Carbon dioxide is an excellent fire extinguisher.
(d) Calorific value of wood is higher than that of coal.

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