Give a reason for the following:
Alkali metals are good reducing agents.
Alkali metals readily lose electrons from their valence shell and get oxidised. So they behave as good reducing agents.
Give a reason for the following:
The conductivity of dilute hydrochloric acid is greater than that of acetic acid.
Name the gas that is produced in the following cases:
Sulphur is oxidized by concentrated nitric acid.
Name the gas that is produced in the following cases:
The action of dilute hydrochloride acid on sodium sulphide.
Name the gas that is produced in the following cases:
Action of cold and dilute nitric acid on copper.
Name the gas that is produced in the following cases:
At the anode during the electrolysis of acidified water.