Consider the following
CuSO4 Reacts with Zn
Case-I
HCl Reacts with Zn
Case-II
CuSO4 Reacts with Fe
Case-III
NaOH Reacts with Al
Case-IV
In which of the given cases a gas is released?
(1) I and III (2) II and III
(3) I and II (4) II and IV
Answers
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Only in II case(in my view and if it is wrong then sorry).
swetagupta40:
in case Ⅰ and Ⅳ
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mere hisaab se aapne option thik se nhi diye h
only 2 case m hi H gas nikle gi
only 2 case m hi H gas nikle gi
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