Question

(5) I g alloy of Cu and Zn reacted with excess of oil.
H SO, to give H, gas which occupies 60 ml
STP. The percentage of Zn in the alloy (Given
only Zn reacts with H,SO)
(a) 17%
(b) 34%
(c) 83%
(d) 40%​

Answer 1

a)

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Explanation: