Which one of the following conversations is correct?
Heat HeatWater → Steam → Ice
Cool CoolSteam → Water → Ice
Cool Cool Water → Ice → Steam
Heat CoolSteam → Ice → Water
Which one of the following states of matter has the strongest forces of attraction between its molecules?
Solid
Liquid
Gas
Plasma
The bubbles that come out rapidly when we open soda water bottle are
nitrogen bubbles
oxygen bubbles
water bubbles
carbon dioxide bubbles
Which one of the following can vary in volume?
Book
Spinning top
Balloon
Kettle
Which one of the following processes involves a decrease in the intermolecular forces between the molecules?
Condensation
Crystallisation
Evaporation
All of the above
If we take three samples of a solid, liquid and gas, each having a fixed volume of 1cm2, then which of them will have the most number of molecules?
It will be same in all the three
Ramu dissolved some salt in water. He got salty water. What is the solute in this experiment?
Salt
Water
Salty water
Salt and water
To obtain water from water vapour, we should ___________ the water vapour .
Heat
Evaporate
Condense
Do nothing
Which one of the following is/are in a liquid state normally?
Petrol
Mercury
The intermolecular space is more in
mercury
water
hydrogen
iron
