Identify the product obtained when phenol is heated with $Zn$ dust.

Which one of the following compounds gives aspirin on reacting with acetic anhydride in the presence of conc. $H_2SO_4$?

An aromatic compound $X$ when heated with $Zn$ powder gives benzoic acid,but when heated with soda lime,it gives phenol. Identify the compound $X$.

Which of the following compounds gives a pink colour on reaction with phthalic anhydride in conc. $H_2SO_4$ followed by treatment with $NaOH$?

Which of the following compounds is obtained when phenol reacts with bromine water?

Identify the reactant $x$ in the following chemical reaction:
$Phenol + (x) \xrightarrow[(2) H^+]{(1) NaOH} Salicylaldehyde$