How many of the following cannot displace H_2 from dil. HCl ? Cu,Zn,N – InterviewSolution

1.	How many of the following cannot displace H_2 from dil. HCl ? Cu,Zn,Ni,Fe,Ag,Au,Pt,Hg,Cd
Answer» Solution :Cu,HG,PT,Ag,Au cannot DISPLACES `H_2` gas from dil HCl

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