Question

DIFFERENTIATE PHYSICAL AND CHEMICAL CHANGE WITH ONE EXAMPLE EACH
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Answer 1

Answer:

What is a 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 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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Answer 2

Answer:

Physical change = A physical change in which new substance is formed , and the chemical composition of the original substance is not altered.

Example -

Melting of wax , tearing of paper , sublimation of iodine etc .

Chemical change = A chemical change is. permanent change in which the original substance loses its own composition and properties .

Example -

Ripening of fruit , fermentation , rusting of iron etc .

Explanation:

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