General Science Quiz | Chemistry Quiz Questions Electrochemical Reactions

Chemistry Science GK Quiz

1) The substance which conducts electricity with the help of the ions present in them is called what?

Answer: Electrolytes.

2) Write the name of an anion.

Anion: Hydroxide ion.

3) Write the name of an insulator.

Answer: Glass.

4) Which is the best conductor of electric current?

Answer: Silver.

5) Which is the non-conductor of electricity?

Answer: Wood.

6) Which substance increases its electrical resistance on increasing temperature?

Answer: Metallic conductors.

7) Who gave the scientific explanation to the electrolytic reaction?

Answer: Faraday.

8) Which do not conduct electricity?

Answer: Non-Metals.

9) Which non-metal shows metallic conduction?

Answer: Graphite.

10) Which compound produced by anodic oxidation?

Answer: Potassium permanganate.

11) When sodium chloride solution is electrolyzed what is obtained at the anode?

Answer: Chlorine.

12) A substance which does not conduct electricity with the help of mobile electron?

Answer: Copper sulfate solution.

13) When a concentrated solution of copper sulfate is electrolyzed which ion gets discharged at the anode?

Answer: Hydroxide ion.

14) Which are the metals manufactured by electrolytic process?

Answer: Na, K, Ca, Mg, Al.

15) Which ions are attracted to the cathode?

Answer: Cations.

Online GK Chemistry Quiz Questions Answers

16) The atoms or groups of atoms that carry electrical charge are called what?

Answer: Ions.

17) Which chemical reactions take place in a torch cell?

Answer: Chemical energy is converted in to electrical energy.

18) Which is not a characteristic of metallic conductor?

Answer: Electrical conductivity increases with increase in temperature.

19) Which is obtained at the cathode when sodium chloride solution is electrolyzed?

Answer: Hydrogen.

20) Where does reduction take place?

Answer: At the cathode.

21) Which has greater ability to giveaway electron?

Answer: Sodium atom.

22) Chlorine is manufactured industrially by electrolysis of what?

Answer: Aqueous solution of sodium chloride.

23) A metal which is manufactured by electrolysis?

Answer: Sodium.

24) Which is obtained when potassium manganite solution is electrolyzed?

Answer: Potassium permanganate.

25) Electrolytic refining is used to refine what?

Answer: Copper.

26) Among hydroxyl ions and sulfate ions, which has more electron affinity?

Answer: Sulfate ions.

27) The conductivity of metal is due to what?

Answer: The flow of electrons.

28) A substance which is undergoes electrolytic conduction?

Answer: Fused sodium chloride.

29) The negative electrode is called what?

Answer: Cathode.

30) The electrolyte is suitable for electroplating nickel is what?

Answer: Nickel ammonium sulfate.


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