A non-metal which reacts with conc. nitric acid leaving no residue behind.

Match each substance A to E listed below with the appropriate description given below : A ] Sulphur B] Silver chloride C Hydrogen chloride D Copper [II] Sulphate E] Graphite . A non - metal which reacts with concentrated nitric acid to form its own acid as one of the product

A metal which reacts with very dilute nitric acid evolving hydrogen.

Ammonia reacts with nitric acid to form

White phosphorus when reacts with nitric acid gives

When zinc reacts with very dilute nitric acid it produces

The calcohol which easily reacts with conc. HCI is

Black insoluble compound which on reacting with nitric acid tums into blue solution.

Both Be and Al become passive on reaction with conc. nitric acid due to-

An element 'X' having green colour and with seven molecules of water of crystallisation was heated strongly to leave a solid residue "Y". This Y reacts with conc. nitric acid to form a nitrate 'Z'. This nitrate reacted with hydrochloric acid to form a chloride 'A'. When hydrogen sulphide was passed into Its aqueous solution a black compound B was precipitated. Identify X, Y, Z, A and B and also give the equation involved.

X reacts with dilute nitric acid to form 'laughing gas' . What is X ?