Question

Eating of food is both a physical and chemical change. Justify. PLS ANSWER

Answer 1

Answer:

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Actually, eating the food involves both physical and chemical changes. The chewing of food is a physical change, while the mixing of saliva with food triggers chemical reactions and is a chemical change. A physical change may involve a change in the size, shape or state of a substance; however, its chemical composition stays the same.

Explanation:

Answer 2

Answer:

When we "eat" the food, we start by chewing it in our mouth. This action causes the food to break down into smaller portions, each of which is still food. In other words, although the size of the food changes, its chemical composition stays the same. This is the part of eating that represents a physical