Question

My friend and I have a doubt in this

Answer 1

(　-_･) ︻デ═一 ▸

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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

Step-by-step explanation:

see the attachment for your answer dear

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