MCQ
Which base is present in $RNA$ but not in $DNA$
- AThymine
- BCytosine
- CGuanine
- ✓Uracil
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(I)$ coloured ions in aqueous solution
$(II)$ oxides of nitrogen are formed on reaction with concentrated $HNO_3$
$(III)$ chlorides of formula $MCl_2$ and $MCl_3$