MCQ
Heterocyclic compound is
- A

- B

- ✓

- D






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(Given $\log 5 = 0.70, \log 3 = 0.48$)
...... $joule$
$(a)$ $R_2SiO$ is repeating unit of linear silicones
$(b)$ $R$ $SiCl_3$ 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