Question

17.Which statement is not correct about compound

Compound have definite proportion of component by mass

Components lose their property in compound

Components of compound can be separated by physical methods

Compound formation is chemical reaction

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Answer 1

Answer:

(a)

Explanation:

THE LAW OF DEFINITE PROPORTIONS (CONSTANT COMPOSITION): “The proportions by mass of the elements in a compound ARE FIXED, and do not depend on its mode of preparation.” Wüstite, an iron oxide whose simplest formula is FeO, with 77.73%Fe. All gaseous compounds OBEY THE LAW OF DEFINITE PROPORTIONS.

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