Inter molecular force of attraction increases with
increases in intermolecular distance
decrease in intermolecular distance
can increase or decrease with intermolecular distance
no change
The vacuum in a barometer is called
Pascal's vacuum
Blaise vacuum
Archimedes vacuum
Torricellian vacuum
The force of attraction between water droplets resulting in the formation of large drop is an example of
force of cohesion
adhesion
surface tension
capillarity
Which of the following have no free surfaces (open surface).
Solid
Liquid
Gas
Both a and b
Basic building block of all matter is
Compound
Element
Atom
Molecule
Who invented mercury barometer?
Pascal
Evangelista Torricelli
Archimedes
Nicolas Fortin
Gum and paper is an example for
cohesion
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
Molecules of a solid
are always in a state of motion
move only when heated
do not move at all
move because they are loosely bound
Density of water is
13.6 times greater than mercury
13.6 times less than mercury
equal to mercury
10 times ten than mercury
