Question

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$\sf 1. \:Boiling Point$
$\sf 2. \: Chemical Change$​

Answer 1

Answer:

Boiling Point: The temperature at which the liquid boils and changes into gaseous state at the atmospheric pressure is called boiling point.

The changes in which new substance are formed,are called chemical changes. In a chemical change,the substances involved change their identity ie they get converted into entirely new substance.

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Answer 2

ANSWER:

1) Boiling point = the boiling point of substance is the temperature at which the vapour pressure of a liquid equals the surrounding the liquid and the liquid changes into a vapour.

2) chemical change = A chemical change is a change of material into another, new material with different properties and one or more substance can be formed.

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