Question

1. (a) Why does yellow phosphorus catch fire on its own?
(b) Why is respiration referred to as slow comb, stion?

Answer 1

Answer:

A)Phosphorus catches fire on its own without any external heat. Because phosphorus slow oxidation by air and during this process, heat is evolved. This heat accumulates in the substance till its ignition temperature is attained. At this point, it burns spontaneously.

B)Cellular respiration is an example of slow combustion. In respiration, glucose is oxidised and carbon dioxide and energy are released in the process. This is a very similar reaction to combustion. ... Slow combustion is a form of combustion which takes place at low temperatures

Answer 2

Answer:

phosphorus burns by spontaneously

it same way as combustion

Explanation: