Question

а When a chemical reaction takes place i) Solution always turns cloudy. ii) A gas is always given off iii) A Color change is always seen iv) A new substance is always produced.​

Answer 1

Answer:

iv) A new substance is always produced.

Explanation:

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Answer 2

Answer:

Explanation:

New bonds form to produce a new substance. Remember that molecules are always moving. If the molecules in a substance bump into each other with enough energy, some of the bonds in the molecules can break. The atoms can form new bonds with different atoms.