List of top Chemistry Questions on Uses of Aldehydes and Ketones asked in KEAM

On heating an aldehyde with Fehling’s reagent, a reddish-brown precipitate is obtained due to the formation of
Toluene on treatment with chromic oxide in acetic anhydride at 273K to 283K gives
Which one of the following represents valeraldehyde?
An important industrial solvent, also a laboratory reagent called 2-butanone is nothing but: