Question

define ingnition temperature






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Answer 1

Answer:

The ignition temperature of a substance is the least temperature at which the substance starts combustion. Substances which spontaneously ignite in a normal atmosphere at naturally ambient temperatures are termed pyrophoric.

Answer 2

$\sf{\huge{\underline{\green{Answer :-}}}}$

The temprature at which a substance starts combustion is know as its ingnition temperature .

The substances which combusts easily are known as igneous substances.

The substance will react with the air & burn , to change its physical & chemical composition .

It is a chemical change .

It uses oxygen for combustion .

$\begin{tabular}{c | l}Elements & Ignition Temprature \\\cline{1-2}Barium & 550^{\circ} \sf C \\Bismuth &735^{\circ}\sf C \\Butane & 405^{\circ} \sf C \\Calcium & 790^{\circ} \sf C \\Carbon disulfide & 90^{\circ} \sf C \\Ethanol & 365^{\circ} \sf C\\Iron & 1,315^{\circ} \sf C \\Lead & 850^{\circ} \sf C\end{tabular}$

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