General Principles and Processes of Extraction of Elements — Chemistry STD 12 Science — Question

When two alkyl groups are attached to the nitrogen atom in an amine, it is known as a _______ amine.

Phenol can be distinguished from ethanol by the reactions with _________.

Amides may be converted to amines by the reaction named after :

Specific reagent required for dehydrohalogenation is :

The amount of charge carried by M³⁻ ion is:

A cylinder filled with a movable piston contains liquid water in equilibrium with water vapour at 25oC. Which one of the following operations results in a decrease in the equilibrium vapour pressure?

Mole fraction of glycerine C₃H₅(OH)₃ in solution containing 36g of water and 46g of glycerine is:

An acid is a substance that produces ............. ions in a water solution:

Specific character of transition metals is:

Element showing the highest number of oxidation states is :