A gaseous metallic chloride MCl consists of 20.22% of M by mass. The formula of the chloride is?

[ M = 27, Cl = 35.5]

What quantity of electricity will liberate 0.125 mole of oxygen molecules during the electrolysis of dilute sodium chloride solution?

Which of the following types of bonding does not involve the formation of new substances?

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be?

The substance often used for vulcanization of rubber is?