SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A substance is a single kind of matter that has a specific composition/make-up
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -A pure substance is a single kind of matter that cannot be separated into other kinds of matter by any physical means. A pure substance always has a definite and constant composition. A mixture is a physical combination of two or more pure substances in which each substance retains its own chemical identity.
Detailed explanation-2: -Thus, The given statement is True i:e A pure substance is made up of only one kind of matter.
Detailed explanation-3: -Hence, option (B) is correct, pure substances contain only one kind of particle and pure substances may be compounds or mixtures are true for pure substances.
There is 1 question to complete.