MCQ
Which of the following element does not occur in liquid form
- A$Hg$
- ✓$Li$
- C$Ga$
- D$Br$
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(Molecular Weight of $\mathrm{HNO}_{3}=63$ )
$(a)$ $R_2SiO$ is repeating unit of linear silicones
$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones
$(c)$ Silicones can be used as heat insulator
$(d)$ Silica is soluble in $HF$
The correct statement$(s)$ is/are

