Among the following, which one has the highest rate of diffusion?
Solids
Liquids
Gases
Both a and b
Who discovered Principle of Floating ?
Issac Newton
Archimedes
Albert Einstein
C.V.Raman
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 .
Materials which can be pressed or scratched easily are called:
Hard
Tough
Soft
Breakable
What is smallest identifiable unit of a substance ?
Atom
Molecule
Kilograms
Milligram
Liquids which do not dissolve in one another ,when mixed are called:
Soluble liquid
Non soluble liquids
Miscible liquid
Non -miscible liquid
Of the following, which property is 'unique 'in case of metals.
Shape
Lustre
Hardness
Texture
What is density of a substamnce ?
Mass per unit volume
Volume per unit mass
Mass per unit area
Weight per unit volume
Liquids which dissolve in one another when mixed are called:
Soluble liquids
Non-soluble liquids
Non miscible liquid
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 .
