Which of the following is used as a barometric liquid?
Mercury
Nickel
Water
Sodium
Which of the following will expand very easily on heating
Solid
Liquid
Gas
Both a and b
The property of liquid to contract its surface area due to intermolecular cohesive attractive force and to behave like stretched membrane is called
Pressure
Surface tension
Compression
Capillarity
Which of the following matter cannot be compressed
Both b and c
The vacuum in a barometer is called
Pascal's vacuum
Blaise vacuum
Archimedes vacuum
Torricellian vacuum
Gum and paper is an example for
cohesion
adhesion
capillarity
surface tension
When a body is fully immersed in a liquid, the apparent loss in the weight of the body is equal to
volume of liquid displaced by the body
weight of liquid displaced by the body
density of liquid displaced by body
both a and b
Hydraulic machines are based on the concept of
Pascal's law
Archimedes principle
Law of flotation
Boyle's law
The smallest unit of an element is
Atom
Molecule
Compound
Mixture
If mass and temperature of gas are kept constant the volume of given mass of gas
increases with pressure
decreases with pressure
will be equal to pressure
no change in pressure
