Identify the product $(A)$ in the following reaction:

Match the items given in column $-I$ with the items given in column $-II$.

column $-I$	column $-II$
$(A)$ Antifreeze used in car engine	$(1)$ Neutral $FeCl_3$
$(B)$ Solvent used in perfumes	$(2)$ Glycerol
$(C)$ Starting material for picric acid	$(3)$ Methanol
$(D)$ Wood spirit	$(4)$ Phenol
$(E)$ Reagent used for detection of phenolic group	$(5)$ Ethylene glycol
$(F)$ By-product of soap industry used in cosmetics	$(6)$ Ethanol

Arrange the following compounds in the increasing order of polarity:
$A. CH_3CH_2OCH_2CH_3$
$B. CH_3CH_2OH$
$C. CH_3COCH_3$
$D. CH_3COOH$
Choose the correct answer from the options given below:

Esterification of the acid $P$ with the alcohol $Q$ will give:

An organic compound $A$ reacts with sodium metal and forms $B.$ On heating with conc. $H_2SO_4,$ $A$ gives diethyl ether. $A$ and $B$ are

What is $Cresol$?