MCQ
The compound $'A'$ is a complementary base of in $DNA$ stands.


- ✓Adenine
- BCytosine
- CGuanine
- DUracil

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$(I)\,\,La(OH)_3$ is the least basic among hydroxides of lanthanides.
$(II) \,\,Zr^{4+}$ and $Hf^{4+}$ posses almost the same ionic radii.
$(III)\,\,Ce^{4+}$ can as an oxidizing agent
Which of the above is/are true ?

