Question

Classify the following changes as a Physical or a Chemical change:

$\dashrightarrow$ Drying of potato chips
$\dashrightarrow$ Iron extracted from its ore
$\dashrightarrow$ Wool knitted into shawl
$\dashrightarrow$ Lemon juice mixed with baking powder

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Answer 1

Answer:

Physical change – A substance is said to undergo a physical change when only the physical properties such as the shape, size, colour, state or appearance of the substance change. Its chemical composition remains intact.

Chemical change – A substance is said to undergo a chemical change when the chemical properties of a substance alter. As a result, there is either formation or breaking of atomic bonds at the molecular level.

Explanation:

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Answer 2

Answer:

phisical change -its change physics in bio go and serch