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Standard XII
Chemistry
Heterogeneous Catalysis
which of the ...
Question
which of the following statement is incorrect? (A) All elements are homogenous. (B) Compounds always contain two or more different elements (C) A mixture is not always heterogeneous. (D) Air is a heterogeneous mixtur
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Q.
A compound is always heterogeneous while a mixture may be heterogeneous or homogeneous.
Q.
Assertion :All compounds contain more than one element. Reason: All compounds are heterogeneous mixtures.
Q.
Is air a homogenous or heterogeneous mixture?
Q.
Air is a heterogeneous mixture or homogeneous mixture.
Q.
A solution of salt in water is a
(a) compound.
(b) homogeneous mixture.
(c) heterogeneous mixture.
(d) element.
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