Colour of fluorescene produced by cathode rays depends upon________________?

Related Mcqs:

1. Which one is not true about cathode rays ?

   A. 9.11×10-31 Kg B. Cast shadow C. Heat up the platinum foil D. Cannot ionize...

2. 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...

3. Size of molecule depends upon________________?

   A. Atomicity B. Shape of molecule C. Both A and B D. Difficult to predict...

4. 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...

5. 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...

6. 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...

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

   A. Hydrogen Gas &Water B. Oxygen Gas &Water C. Only oxygen D. Only Water Aamir khan Hullio...

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

   A. Zinc B. Carbon (Graphite) C. ZnCl² D. MnO²(Pyrolusite) Submitted by: Aamir khan Hullio...

9. Cathode is a metalic plate where__________ takes place.

   A. Oxidation B. Reduction C. Redox D. Substitution Submitted by: Aamir khan Hullio...

10. Positive rays give flash on________________?

    A. AgNO3 plate B. AgCl plate C. ZnO D. ZnS...