MCQ
The maximum and minimum melting point of first and second transition series elements respectively are obtained with
- A$Cr$ and $Zn$
- B$Cr$ and $Hg$
- ✓$Cr$ and $Cd$
- D$Mo$ and $Cd$
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$CaCO _{3( s )}+2 HCl _{( aq )} \rightarrow CaCl _{2( aq )}+ CO _{2( g )}+2 H _{2} O _{( l )}$
[Calculate upto second place of decimal point]