When electrodes are immersed in water and electricity passed, the bubb – McqOptions

MCQOPTIONS

1.	When electrodes are immersed in water and electricity passed, the bubbles formedon the negative terminal is actually _______ gas.
A.	Hydrogen
B.	Carbon di oxide
C.	Oxygen
D.	Nitrogen
Answer» B. Carbon di oxide

Discussion

No Comment Found

Related MCQs

Some liquids are good conductors of electricity and some are poor conductors.Which one is a poor conductor?
Tin cans, used for storing food, are made by electroplating tin onto iron. Why?
Chromium plating is done on many objects such as car parts, bath taps, kitchen gasstove etc. Why?
The process of depositing a layer of any desired metal on another material bymeans of electricity is called ___________.
When electrodes are immersed in water and electricity passed, the bubbles formedon the positive terminal is actually _______ gas.
When electrodes are immersed in water and electricity passed, the bubbles formedon the negative terminal is actually _______ gas.
A coating of _________is deposited on iron to protect it from corrosion andformation of rust
Why do we add little dilute sulphuric acid to copper sulphate solution duringelectroplating?
Tap water is a good conductor of electricity while distilled water is not because
In LEDs, the longer lead (wire) is always connected to the _______ terminal