
Gas collected over anode during electrolysis of water is
. (hydrogen/oxygen)


Important Questions on Model Test Paper -2
The electric circuit through which current flows is the _____ (closed/open) circuit.

Base metal is coated with silver by the process of _____. (electrolysis/electroplating)

Human body is a ____ (good/bad) conductor of electricity.

Correct the following statement and rewrite them.
Sliding friction is slightly more than limiting friction.

Correct the following statement and rewrite them.
Conveyor belts are made rough in order to decrease friction.

Correct the following statement and rewrite them.
The friction between two surfaces decreases with the increase in the weight of a body.

Correct the following statement and rewrite them.
The friction offered by the wheels is called sliding friction.

Correct the following statement and rewrite them.
Friction increases with the increase in the area of contact at the two surfaces.
