MCQ
Few statements are given below. Identify the incorrect statements and mark the appropriate option.
$i.$ In fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first.
$ii.$ Useful substances obtained from petroleum and natural gas are termed as 'Petrochemicals'.
$iii.$ Coke is used in the extraction of many metals.
$iv.$ Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal.
$i.$ In fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first.
$ii.$ Useful substances obtained from petroleum and natural gas are termed as 'Petrochemicals'.
$iii.$ Coke is used in the extraction of many metals.
$iv.$ Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal.
- A$i$ and $ii$
- ✓$i$ and $iv$
- C$i, ii$ and $iii$
- D$ii$ and $iv$
