T2V T5 C6 Electrochemistry Quiz

Which part, A, B, C or D is an anode?

What is the main energy change that occurs in the cell in Diagram 2?

• Chemical energy to heat energy

• Heat energy to chemical energy.

• Chemical energy to electrical energy.

• Electrical energy to heat energy.

What happens at the anode?

• Lead metal is deposited.

• The positively charged lead ions move to the anode.

• Two bromine atoms form two molecules of bromine.

• Bromide ions receive electrons and form bromide molecules.

What is Y?

• Volume of electrolyte

• Electropositivity of metals

• Position of metal in the reactivity series

• Position of ion in the electrochemical series

Which of the following is anode?

• Iron nail

• Copper wire

• Copper plate

• Copper sulphate (II) solution

What is the method to increase the intensity of the bulb light?

• Change the types of fruit used

• Change iron to zinc

• Increase the quantity of the bulb

• Increase the quantity of lemon

What is the process that is involved in the making of this appliance?

• Extraction of metal

• Electroplating of metal

• Purification of metal

• Alloying of metal

Which of the following affect the discharged of ions?

• Position of electrode

• Volume of electrolytes

• Time of electrolysis

• Types of electrodes

What is a chemical cell?

• A neutral cell.

• A cell that changes chemical energy to electrical energy

• A cell that changes electrical energy to chemical energy

• A cell that gives out heat energy

Which ions are attracted to the anode and cathode?

• Cl- Zn2+

• Zn2+ Cl-

• Zn2+, H+ Cl-, OH-

• Cl-, OH- Zn2+, H+