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Chemistry
Chemistry
Problem
When the same mass of Zn is treated separately with excess of
H
2
S
O
4
H_2SO_4
H
2
S
O
4
and excess of NaOH, the ratio of volumes of
H
2
H_2
H
2
evolved is: a. 1 : 1 b. 1 : 2 c. 2 : 1 d. 9 : 4
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