SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alters a substance without changing its composition
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Physical Change
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Chemical Change
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Chemical Reaction
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Physical Reaction
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Explanation:
Detailed explanation-1: -Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Detailed explanation-2: -In a physical change, the chemical composition of the original substance is altered.
Detailed explanation-3: -Physical changes occur when objects or substances undergo a change that does not change their chemical composition. This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances.
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