The intermolecular space is more in
mercury
water
hydrogen
iron
A student took water and dissolved some salt in it. Later she placed the salty water under sunlight for three days. she found only the crystals of salt but not water. The process demonstrated in the above experiment is
filtration
boiling
condensation
evaporation
Ramu dissolved some salt in water. He got salty water. What is the solute in this experiment?
Salt
Water
Salty water
Salt and water
A student took 20 millilitres of water in a beaker and dissolved two teaspoonful of sugar in it. When he checked the volume, to his surprise, the volume remained same at 20 millilitres. Can you tell the reason?
Sugar did not actually dissolve in the water
Sugar evaporated
Sugar occupied the empty spaces in between the molecules of water.
Sugar has zero volume
Which one of the following is NOT an outcome of condensation?
Hail
Fog
Air currents
Frost
Which one of the following is NOT correct?
HeatSolid → Liquid
Cool Solid → Gas
CoolLiquid → Solid
heatLiquid → gas
The bubbles that come out rapidly when we open soda water bottle are
nitrogen bubbles
oxygen bubbles
water bubbles
carbon dioxide bubbles
To obtain water from water vapour, we should ___________ the water vapour .
Heat
Evaporate
Condense
Do nothing
We can separate sand from the water by
All of the above
Which one of the following states of matter has the strongest forces of attraction between its molecules?
Solid
Liquid
Gas
Plasma