MCQ
What makes a lemon sour
- ATartaric acid
- BOxalic acid
- ✓Citric acid
- DHydrochloric acid
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if $T_1 < T_2$ then $X$ and $Y$ respectively are
Reason : $Six F$ atoms in $SF_6$ prevent the attack of $H_2O$ on sulphur atom of $SF_6$.
