What is matter ?
Anything that occupies space and has mass
Anything that occupies space and has volume
Anything has weight only
Anything that has volume only .
Among the following, which one has the highest rate of diffusion?
Solids
Liquids
Gases
Both a and b
Select the good conductor of electricity.
Wood
Plastic
Air
Iron
Materials which can be pressed or scratched easily are called:
Hard
Tough
Soft
Breakable
Those substance through which we can see partially are called:
Translucent
Transparent
Opaque
Incadescent
Choose the correct statement.
Our universe is 99 percent gas.
Our universe is 99 percent solid.
Our universe is 99 percent Plasma.
Our universe is 99 percent liquid.
Who discovered Principle of Floating ?
Issac Newton
Archimedes
Albert Einstein
C.V.Raman
Liquids which dissolve in one another when mixed are called:
Soluble liquids
Non-soluble liquids
Miscible liquid
Non miscible liquid
Choose the most appropriate statement about classification .
Things are grouped together on the basis of colour.
Things are grouped together on the basis of smell.
Things are grouped on the basis of certain similar properties.
Things are grouped together on the basis of shapes .
Among the following properties of materials, which one is used in generaters and motors?
Fluidity
Magnetic
Diffusion
Chemical