Chemical Effects of Electric Current Test - 4

 A liquid which can conduct electricity is called:

 Which one of the following statements is correct?

Statement 1: The positively charged electrode is called anode.

Statement 2: The negatively charged electrode is called cathode.

Which one of the following is a conductor of electricity?

Which one of the following is an insulator of electricity?

The chemical decomposition produced by passing an electric current through a conducting liquid is called :

The process of depositing a thin layer of desired metal over a metal object with the help of electric current is called?

 The metal object on which electroplating is to be done is:

Which one of the following statements is correct?

Statement 1: If a little salt is dissolved to the distilled water, it becomes good conductor of electricity

Statement 2: Rainwater is a conductor of electricity

 Which one of the following statements is correct?

Statement 1: The liquid that conduct electricity is solution of acids, bases/ salts and water

Statement 2: When electric current passes through an electrolyte, chemical changes takes place

 Which one of the following statements is correct?

Statement 1: Corrosion is a gradual destruction of metal in environment

Statement 2: Corrosion of iron cannot be prevented by electroplating