Compound $Figure$ $1$ formed by the reaction of furfural ($Figure$ $2$) with ethanol is:

Given below are two statements :
Statement $I :$ The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or a ketone involves proton transfer to form a stable ion.
Statement $II :$ The nucleophilic addition of hydrogen cyanide to an aldehyde or a ketone yields amine as final product.
In the light of the above statements,choose the most appropriate answer from the options given below :

What is the final product obtained by the reduction of acetaldehyde with sodium and alcohol?

Acetaldehyde reacts with semicarbazide,the product will be:

Fehling's solution '$A$' is

Which product is obtained by the reduction of propionaldehyde with amalgamated zinc and concentrated $HCl$?