Which of the following exists in all the three form?
Carbon
Copper sulphate
Water
oxygen
The force of attraction between the molecules is less in
Liquids
Gases
Solid
None
All substances are made up of very tiny particles called
Molecules
Atoms
Matter
Burning of paper is a:
Physical change
Chemical change
Reversible change
Which among the following have a definite shape,size and volume ?
Solids
Gas
Mixture
Substances which can be poured easily, neither solid nor gas are called:
Liquid
Aerated drinks contain gas
Oxygen
Nitrogen
Carbondioxide
Methane
Which among the following is a chemical change ?
Combustion
Corrosion
Both A and B
conduction
Corrosion is
Useful
Harmful
no use
Utensils placed on the gas stove gets becomes hot due to
Magnetism
Conductivity
Thermal conductivity
