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- 1. Multiple Choice
Electroplating is based on
Magnetic effect of electricity
Chemical effect of electricity
Heating effect of electricity
Physical effect of electricity
- 2. Multiple Choice
An electrolyte is
A metal
A solution
A liquid that conducts current
All of the above
- 3. Multiple Choice
Distilled water is
A poor conductor
A good conductor
Both of these
None of these
- 4. Multiple Choice
Electroplating prevents
Current
Chemical effect
Rusting
All of the above
- 5. Multiple Choice
Which of the following is a bad conductor of electricity?
Distilled water
Silver nitrate
Sulphuric acid
Copper sulphate
- 6. Multiple Choice
Waste from an electroplating factory must be disposed off
in the nearby river
in the nearby pond
In the nearby cornfield
according to the disposal guidelines of Waste Management Bodies
- 7. Multiple Choice
Electroplating prevents
corrosion
passing of current
dissociation
shining
- 8. Multiple Choice
Which of the following is not used for electroplating metal articles?
Nickel
Silver
Chromium
Sodium
- 9. Multiple Choice
When electrodes are immersed in water and electricity passed, the bubbles formed on the positive terminal is actually _______ gas.
Hydrogen
Oxygen
Carbon dioxide
Nitrogen
- 10. Open Ended
Light emitting diodes (LED) glow even when a ________ electric current flows through it.
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