Electrolysis - Chemistry GRADE 8 iGCSE

What is Electrolysis ?

• Chemical decomposition due to passage of light through solutions of ionic compounds.

• Chemical decomposition due to passage of electricity through solution of ionic compounds.

• Chemical decomposition due to passage of heat through solution of ionic compounds.

• All of the above

Which of the following is a not a component of an Electrolytic cell?

• Electrolyte

• Cathode

• Anode

• Non of the above

Polls of Graphite or Platinum through which an electric current enters the electrolyte are collectively called what ?

• Electrodes

• Anode

• Cathode

• Cation

The name given to the positive electrode is called ?

• Cathode

• Anode

• Anion

• Cation

The name given to the negative charged electrode is called ?

• Anode

• Cathode

• Anion

• Cation

A negatively charged ion is refers to as ?

• Anion

• Anode

• Cation

• Cathode

A positively charged ion is called ?

• Cathode

• Cation

• Anode

• Anion

During the electrolysis, which of the following Electrodes will Sodium Ions ( Na⁺) got attracted to ?

• Anode

• Cathode

• All of the anove

• Non of the above

During electrolysis, Which of the following electrodes will Bromide ions ( Br^-) got attracted to?

• Anode

• Cathode

• All of the above

• Non of the above.

Which statement correctly define redox reaction ?

• A reaction that involve lose of electrons

• A reaction that involve loosing and gaining of electrons

• A reaction that involve gain of electrons

• Non of the above.