MCQ
Superphosphate is the mixture of
- ✓Calcium phosphate and dil. ${H_2}S{O_4}$
- BSodium phosphate and dil. ${H_2}S{O_4}$
- CPotassium phosphate and dil. ${H_2}S{O_4}$
- DNone of these
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| column $I$ Metals | column $II$ Coordination compounds |
| $a.$ $Co$ | $i.$ Wilkinson catalyst |
| $b.$ $Zn$ | $ii.$ Chlorophyll |
| $c.$ $Rh$ | $iii.$ Vitamin $B_{12}$ |
| $d.$ $Mg$ | $iv.$ Carbonic anhydrase |