নিম্নে উল্লেখিত কোন বিক্রিয়াটি বিজারণ নয় ?

A $CuO+H_{2}=Cu+H_{2}O$

B $H_{2}S+Cl_{2}=S+2HCI$

C $Cl_{2}+H_{2}=2HCI$

D $HgCl_{2}+Hg=Hg_{2}Cl_{2}$

Solution

Correct Answer: Option B

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