Which of the following compounds is most acidic?

Canned heat is prepared by mixing the two at high pressure , They are

Which observation will be given by this compound?

Which temperature is most suitable for fermentation?

An organic compound 'X' is oxidised by using acidified K₂Cr₂O₇. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structure of X is

Which one can differentiate between C₂H₅OH and CH₃OH?

Methanol and ethanol are miscible in water due to

Which is/are weaker acid than water?

Wood spirit is known as

The compound which gives turbidity immediately with Lucas reagent at room temperature is