Question

Physical change and chemical changes

Answer 1

Answer:

physical changes are temporary and chemical are permanent

Explanation:

physical changes are like water convert into ice but we can reconvert it

but in chemical change like milk convert into yogurt which can not be reverse

Answer 2

Answer:

physical change

A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. The physical properties of a substance include such characteristics as shape (volume and size), color, texture, flexibility, density, and mass.

chemical change

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

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