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Subjects
Science State Board
Class 8
Water
Water: Introduction, properties and composition
7.
Electrolysis of Water: choose the correct answer
Exercise condition:
3
m.
1
.
Water is broken up into hydrogen and oxygen by __________.
Electrolysis
Sedimentation
Boiling
2
.
__________ gas is collected at the anode on electrolysis of water.
Oxygen
Hydrogen
Nitrogen
3
.
In the electrolysis of water, the gas obtained at the cathode is
Oxygen
Nitrogen
Hydrogen
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