The two statements are given – one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from codes. (a), (b), (c) and (d) as given below:
(a) Both A and R are true and R is the correct explanation of the assertion.
(b) Bothe A and R true, but R is not the correct explanation of the assertion.
(c) A is true, but R is false.
(d) A is false, but R is true.
Assertion: The percentage of Cu in the different oxides formed by Cu is same.
Reason. A chemical compound is always made up of the same elements combined together in a fixed proportion by mass.
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Answer:
ans. b is correct
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