Question

Essay on chemical reactions

Answer 1

Answer:

=> Chemical reactions are the heart of chemistry. People have always known that they exist.

The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter.

And Later, in the Seventeenth Century, a German chemist named Georg Ernst Stahl was the first to postulate on chemical reaction, specifically, combustion. He said that a substance called phlogiston escaped into the air from all substances during combustion.

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