Which of the following property does not describe a compound? *
(a) It is composed of two or more elements
(b) It is a pure substance.
(c) It cannot be separated into constituents by physical means
(d) It is mixed in any proportion by mass
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Answer:
I think answer is no C
Explanation:
because. Physical methods are used to separate those substances where there is no change in chemical composition. But when a compound is formed,it has totally different chemical composition from its constituents. So,physical methods are not useful to separate such substances
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D since if u notice a vital property of compounds is that it consist of 2 or more elements combined in FIXED PROPORTION BY MASS
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