Select the good conductor of electricity.
Wood
Plastic
Air
Iron
Liquids which dissolve in one another when mixed are called:
Soluble liquids
Non-soluble liquids
Miscible liquid
Non miscible liquid
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 .
Of the following, which property is 'unique 'in case of metals.
Shape
Lustre
Hardness
Texture
Texture of a material can be felt by:
By looking at it
By touching it
By breaking it
By cooling it
Among the following properties of materials, which one is used in generaters and motors?
Fluidity
Magnetic
Diffusion
Chemical
Choose the correct statement .
The intermolecular attraction between molecules of a liquid is less than in a solid .
The intermolecular attraction between molecules of liquid is more than in a solid.
The inter molecular attraction between molecules of liquids and solids are same .
All the above statements are false .
Who discovered Principle of Floating ?
Issac Newton
Archimedes
Albert Einstein
C.V.Raman
Materials which can be pressed or scratched easily are called:
Hard
Tough
Soft
Breakable
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 .
