Assertion-All homogeneous substances are pure. Reason-Alloys are homogeneous mixtures of solids.
a)Both Assertion and Reason are true and reason is the correct explanation of assertion.
b) Assertion and the Reason both are true but reason is not the correct explanation of assertion.
c) Reason is true but assertion is false.
d)Assertion is true but the Reason is false.
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Answers
Answer:
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Answer:
Explanation:
C) Reason is true but assertion is false.
"All pure substances are homogeneous but all homogenous substances are not pure"
Pure substances are substances made of the same kind of atoms.
but homogeneous mixtures can contain different kind of atoms but composition is uniform throughout
i will tell you a simple logic to tackle this question.
in the second sentence ,it is said that alloys are homogeneous mixtures.
we know that elements and compounds are pure substances while mixtures are impure substances.so it is clearly in contrast to the first statement.that is in the first statement ,it is said that all homogeneous substances are pure,then how can we say "homogeneous mixtures" where mixtures is impure.
Hope this helps you
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