Among the following properties of materials, which one is used in generaters and motors?
Fluidity
Magnetic
Diffusion
Chemical
Liquids which dissolve in one another when mixed are called:
Soluble liquids
Non-soluble liquids
Miscible liquid
Non miscible liquid
What is density of a substamnce ?
Mass per unit volume
Volume per unit mass
Mass per unit area
Weight per unit volume
Of the following, which property is 'unique 'in case of metals.
Shape
Lustre
Hardness
Texture
Which is the correct statement regarding all materials ?
Materials have mass and weight
Materials have mass and density
Materials have mass and colour.
Materials have mass and volume .
Select the good conductor of electricity.
Wood
Plastic
Air
Iron
The material through which no light can pass through are:
Opaque materials
Transparent materials
Translucent materials
Hard materials
Those substance through which we can see partially are called:
Translucent
Transparent
Opaque
Incadescent
Texture of a material can be felt by:
By looking at it
By touching it
By breaking it
By cooling it
Which is the correct statement about solids ?
In solids, molecules are scattered.
In solids, molecules are loosely packed.
In solids, intermolecular space is very large.
In solids , the molecules are closely packed .
