8. Changes in which new substances are formed are
a) Reversible
b) Physical c) Chemical
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Changes in which new substances are formed are Chemical changes.
- A chemical reaction can be described as a type of reaction in which reactants react form a new product with new properties.
- On the other hand, in a physical reaction no new substances are formed. In a physical change, properties of the substance change.
- The composition of a substance changes in a chemical reaction.
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