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Characteristics of Chemical Change

During the pr...

Question

During the process of eating we masticate and mix saliva into the food as well. Masticating and salivating are & processes.

A

Both are physical

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B

Both are chemical

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C

Chemical & physical

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D

Physical & chemical

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Solution

The correct option is D
Physical & chemical

Masticating and salivating are physical and chemical processes.

Masticating refers to the grinding of food materials which is physical change while the saliva mixing is done only to begin the breakdown of food materials which is chemical in nature.

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