Question

define ingition temperature. why does a slightly moist piece of paper take time to burn?​

Answer 1

Answer:

konnichiwa

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The autoignition temperature or kindling point of a substance is the lowest temperature at which it spontaneously ignites in normal atmosphere without an external source of ignition, such as a flame or spark. ... The ignition temperature of a substance is the least temperature at which the substance starts combustion.

It is difficult to burn a wet paper because it contains water. A lot of heat is required to evaporate this water(to dry the paper). Only After the water is completely removed and the paper is totally dry, the heat is used to reach the ignition point of the paper from where it then starts to burn

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Answer 2

Answer:

Explanation:The lowest temperature at which combustible substance when heated takes fire in air and continues is called ignition temperature.

It is difficult to burn a wet paper bcoz it contains water . A lot of heat is required to evaporate this water. Only after the water is completely removed and paper is totally dry, the heat is used to reach the ignition point of the paper from where it then start to burn