Name the gas that is produced in the following case: Reaction of ethanol and sodium.

Name the gas that is produced in the following case: Action of cold and dilute nitric acid on copper.

Name the gas that is produced in the following case : Action of dilute hydrochloric acid on sodium sulphide.

Name the gas that is produced in the following case : At the anode during the electrolysis of acidified water.

Name the gas that is produced in the following case: Sulphur is oxidized by concentrated nitric acid.

Name the oxyacid produced in the following reaction ClF+H_2Ooverset →

Name the gas evolved in each of the following cases : Action of heat on magnesium carbonate.

Name the gas evolved in each of the following cases : Action of heat on washing soda.

Name the gas evolved in each of the following cases : Action of heat on lead oxide.

Name the oxyacid produced in the following reaction SF_4+H_2Ooverset →

Name the oxyacid produced in the following reaction SO_3+H_2Ooverset →