Density is very low in
Solid
Liquid
Gas
Plasma
A decrease in temperature of substance cause
Condensation
Sublimation
Freezing
Boiling
Which of the following is the hardest one?
Diamond
Fallerene
Graphite
Lamp black
Who suggested each element composed of atom
Rutherford
Lavoisier
Faraday
Dalton
Matter which can flow freely is
Element
Matter
Atom
Fluid
Which of the following is applicable to a liquid.
There is very strong molecular interaction.
There is moderate molecular interaction and rigidity.
There is moderate molecular interaction and fluidity.
There is no molecular aria action but fluidity.
The temperature at which a liquid changes to gas is
Boiling point
Freezing point
Melting point
Turning point
A special group of non-metals that do not react chemically is _______
Petroleum gas
Noble gas
Methane gas
Coal gas
The system to use chemical symbols was proposed by
Berzelius
The basic substance that makes up all living or non-living things is