We know that rubbing stones produces heat. So why it is non combustibl

1.	We know that rubbing stones produces heat. So why it is non combustible substances?
Answer» Answer: EXPLANATION: The basic concept is, when the stones are RUBBED, friction takes place. The friction produces heat/sparks. but, Stone pieces are composed of small pieces of rocks and clay. So it does not have organic MATTER in it to burn in presence of air. HENCE, it is a non COMBUSTIBLE.

We know that rubbing stones produces heat. So why it is non combustible substances?

Answer»

Answer:

The basic concept is, when the stones are RUBBED, friction takes place. The friction produces heat/sparks. but, Stone pieces are composed of small pieces of rocks and clay. So it does not have organic MATTER in it to burn in presence of air. HENCE, it is a non COMBUSTIBLE.

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We know that rubbing stones produces heat. So why it is non combustible substances? ​

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We know that rubbing stones produces heat. So why it is non combustible substances?