Question

Explain chemical change with a help of activity

Answer 1

Answer:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. ... An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen

Answer 2

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.

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