MEDIUM
Earn 100

List two properties of rubber.

Important Questions on Sorting Materials into Groups

EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Which of the following is not an example of a biomass energy source?
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Name two uses biogas.
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Write down the process of evolution of fossil fuels on Earth.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Write a short note on: Nuclear Energy
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Explain how is nuclear energy generated in power reactors. How is electricity produced from nuclear energy?
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
By what name is biogas popularly known in India?
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
List any three differences between nuclear fission reaction and nuclear fusion reaction.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Useful substance in preparation of freezing mixture is 
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Uranium is used to obtain:
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Which of the following is not an example of a bio-mass energy source?
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
 State two ways to prevent the rusting of iron.
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials

Write names of any two energies produced in ocean.

MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials

Which of the following are physical changes?

(a) Melting of iron metal        (b) Rusting of iron

(c) Bending of an iron rod     (d) Drawing a wire of iron metal

EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Write the name of two elements used as nuclear energy.
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Which one of the following is an example of Biomass energy source.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Write any four differences between nuclear fusion and nuclear fission.
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
Nowadays bio-diesel is used in transportation vehicles as an alternate to diesel. Write two advantages of this measure.
EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials

Write down the two benefits of use of solar energy.

EASY
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
We cannot see anything through an opaque material.
MEDIUM
Science>Chemistry>Sorting Materials into Groups>Properties of Materials
The liquids which mix completely with each other are called