| List -I | List-II | ||
| A | Antifreeze used in car engine | I | Phenol |
| B | Starting material for picric acid | II | Glycerol |
| C | Wood spirit | III | Ethylene glycol |
| D | By product of soap industry used in cosmetics | IV | Methanol |
Arrange the following compounds in increasing order of their boiling points:

The reaction 
suggests that phenol is :
In the reaction R–OH + HCl $\xrightarrow{\text{ZnCl}_2}$ RCl + H$_2$O, what is the correct order of reactivity of alcohols?
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world