Question

Burning of carbon- containing fuels releases ash and fine particles of unburnt carbon in air. These fine particles are called?​

Answer 1

Answer:

It happens because water absorbs a large amount of heat energy, which results in fall in the temperature of wood below its ignition temperature and the fire goes off.

We have seen homes, shops and factories caught in fire. How can the fire be controlled from spreading? Generally, water is used to control fire. Water brings down the temperature of the combustible substance below its ignition temperature. The water vapour surrounds the combustible material, thus helping in cutting off the supply of air. So, that the fire is extinguished

Answer 2

Answer:

SPM

Explanation:

burning of carbon containing fuels ash and fine particles of unburnt carbon in air. These fine particles are called Suspended Particulate Matter (SPM).

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