During electrolysis of Water, the product obtained at cathode is ___________?

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1. During Electrolysis of Water the product @cathode obtained is ___________?

   A. Hydrogen Gas & Water
   B. Oxygen Gas & Water
   C. CO & Water
   D. Hydrogen & Carbon monoxide

   Submitted by: Aamir khan Hullio

2. In electrolysis of NaCl the product obtained at cathode is_______.

   A. Sodium ions
   B. Chloride ions
   C. Both
   D. Remain at the bottom of the cell

   Submitted by: Aamir khan Hullio

3. Electrolysis of dilute solution of NaCl results at the anode_______________?

   A. sodium
   B. hydrogen
   C. chlorine
   D. oxygen

4. The equation that represents the relationship of Faraday’s first law of electrolysis is _______?

   A. Z=At
   B. w=ZAt
   C. w=Z/At
   D. Z= At/M

   Submitted by: Aamir khan Hullio

5. In an electrolysis of aqueous Sodium Flouride, the species that moves towards Anode is _________?

   A. Flouride
   B. Sodium
   C. H²O
   D. None of them

   Submitted by: Aamir khan Hullio

6. Which of the following properties prove that cathode rays are material in nature_________________?

   A. they cast shadow
   B. they possess momentum
   C. they are negatively charged
   D. all of the above

7. Colour of fluorescene produced by cathode rays depends upon________________?

   A. Temperature
   B. Pressure
   C. Volume
   D. Composition of glass

8. In Galvanic cell electrons flow from anode to cathode through__________________?

   A. external electric circuit
   B. salt bridge
   C. movement of ions
   D. all of the above

9. In Dry cell, cathode is made up of_______?

   A. Zinc
   B. Carbon (Graphite)
   C. ZnCl²
   D. MnO²(Pyrolusite)

   Submitted by: Aamir khan Hullio

10. Cathode is a metalic plate where__________ takes place.

    A. Oxidation
    B. Reduction
    C. Redox
    D. Substitution

    Submitted by: Aamir khan Hullio