Question

1. Out of the following, which may not indicate a
chemical change:
Change of state; change of colour, evolution of a
gas, change of temperature.
Why is it necessary to obtain a balanced
chemical equation?​

Answer 1

Answer:

Change in temperature

Explanation:

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Answer 2

Answer:

Change is happening all around us all of the time. Just as chemists have classified elements and compounds, they have also classified types of changes. Changes are either classified as physical or chemical changes. Chemists learn a lot about the nature of matter by studying the changes that matter can undergo. Chemists make a distinction between two different types of changes that they study - physical changes and chemical changes.

Explanation:

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