MCQ
Thymin is
- ✓$5-$ methyl uracil
- B$4-$ methyl uracil
- C$3-$ methyl uracil
- D$1-$ methyl uracil
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(a)$ Number of $S-S$ bonds in $H_2S_nO_6$ are $(n +1)$
$(b)$ When $F_2$ reacts with $H_2O$ it forms $HF,$ $O_2$ & $O_3.$
$(c)$ $XeF_6$ on hydrolysis shows disproportionation reaction
$(d)$ $Al$ metal on reacting with dilute $NaOH$ gives a white precipitate of $Al (OH)_3$ as a final product

$CH_3CH_2Cl \xrightarrow{NaCN}(i)\xrightarrow{Ni/{{H}_{2}}}(ii)\xrightarrow{acetic\,anhydride}(iii)$ , Product $(iii)$ is