Auction (A): Pure substances can be either an element or a compound Reusen (R) : Acompound is a substance composed of two or more different types of elements chemically combined in a fixed proportion a) Boch A and Rare true and R is the corect explanation of A b) Beh A and R are true and R is not the correct explanation of A c) A true but Ris false d) A is false but R is true
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both assertion and reasons are true reason is the correct explanation of assertion
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A) Both A and R is correct and R is the correct explanation of A
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