Electrochemistry MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. Chemistry deals with the relationship between chemical changes and electricity is called (A) organic chemistry (B) nuclear chemistry (C) electro-chemistry (D) inorganic chemistry 2. Any charged atom or particle is called (A) anion (B) cation (C) ion (D) ionisation 3. The positively charged ions are called (A) ion (B) anion (C) cation (D) ionisation 4. The negatively charged atoms or species are called (A) ion (B) cation (C) ionisation (D) anion 5. Electrolyte dissociate into two charged fragments in process (A) ionisation (B) cation (C) anion (D) ion 6. Ionisation theory was presented by (A) Dalton (B) Bohr (C) Faraday (D) Arrhenius 7. At high temperature dissociation of ____ is more (A) nonelectrolyte (B) cation (C) anion (D) electrolyte 8. Electric current is used to bring about a redox reaction is called (A) electrolyte (B) electrolysis (C) ionization (D) dissociation 9. The electrode from which the electrons enter the solution is called (A) electrolyte (B) cathode (C) electrolysis (D) anode 10. The electrode from which the electrons leave the solution is called (A) electrolyte (B) electrolysis (C) cathode (D) anode 11. The process of oxidation takes place at (A) electrolyte (B) electrolysis (C) anode (D) cathode 12. The process of reduction takes place at (A) cathode (B) electrolysis (C) electrolyte (D) anode 13. Michael Faraday presented his laws of electrolysis in (A) 1929 (B) 1931 (C) 1930 (D) 1932 14. Amount of substance W proportional to quantity of electricity passed is statement of Faraday’s ____ law (A) 2nd (B) 1st (C) 3rd (D) 4th 15. ____ is the mathematical form of Faraday's law (A) 1st (B) 4th (C) 3rd (D) 2nd 16. Galvanic or Voltaic cells are also called (A) all three (B) reversible (C) non-reversible (D) electro-chemical cells 17. Common galvanic cell is also called (A) CuSO₄ (B) Daniel cell (C) ZnSO₄ (D) salt bridge 18. The substitute name for the lead storage battery is (A) lead oxide & lead (B) 1.125 g/cm³ (C) H₂SO₄ (D) lead accumulator 19. The acid used in the lead battery is (A) phosphoric acid (B) H₂SO₄ (C) nitric acid (D) HCl 20. One of the following is not electrolyte (A) phosphoric acid (B) sodium hydroxide (C) urea (D) H₂SO₄
