MCQ
If $5.0\,gm$ of $BaC{l_2}$ is present in ${10^6}\,gm$ solution, the concentration is .......... $ppm$
- A$1$
- ✓$5$
- C$50$
- D$1000$
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$(I)$ $B + AN{O_3} \longrightarrow BN{O_3} + A$
$(II)$ $A + HCl \longrightarrow ACl + \frac{1}{2}\,{H_2}$
$(III)$ $D + ECl \longrightarrow DCl + E$
$(IV)$ $D + HN{O_3} \longrightarrow {H_2}$ gas is not evolved
$(I)$ $NI_3$ $(II)$ $I_3^-$
$(III)$ $SO_3^{-2}$ $(IV)$ $NO_3^-$