What product is obtained from the reaction of a Grignard reagent with a ketone?

What is the reaction of benzaldehyde with aniline called?

Reduction of aldehydes and ketones to hydrocarbons takes place in the presence of:

From the compounds given below,the number of compounds which give a positive Fehling's test is:
Benzaldehyde,Acetaldehyde,Acetone,Acetophenone,Methanal,$4$-nitrobenzaldehyde,cyclohexane carbaldehyde.

The conversion of $X$ into $Y$ is an example of which reaction?

The intermediate $J$ in the following Wittig reaction is