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- 1. Multiple Choice
Atomic no.of Hydrogen is
1
2
3
4
- 2. Multiple Choice
Hydrogen was first prepared by
Robert
Robert Boyle
Dalton
- 3. Multiple Choice
_____________________names / coined the term Hydrogen.
Robert Boyle
Dalton
Lavoisier
- 4. Multiple Choice
During electrolysis of water , hydrogen is collected at
anode
cathode
positive electrode
- 5. Multiple Choice
_______________________electrodes are used during electrolysis of water.
Graphite
platinum
Mercury
- 6. Multiple Choice
Nitric acid and hydrochloric acid are
weak electrolyte
strong electrolyte
none
- 7. Multiple Choice
During electrolysis of water oxygen is collected at
anode
cathode
none
- 8. Multiple Choice
Current enters the electrolyte through the
cathode
anode
none
- 9. Multiple Choice
Current leaves the electrolyte through the
cathode
anode
none
- 10. Multiple Choice
Granulated zinc is preferred over other metals because it
contains copper which acts a catalyst
contains iron
none
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