EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100

Describe the difference between a compound and a mixture.

Important Questions on Elements, Compounds and Mixtures

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 2

Air contains the gases- nitrogen, oxygen, water vapour and carbon dioxide. For the following substances, write down whether it is an element, a compound or a mixture:

  • Air
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 2

Air contains the gases- nitrogen, oxygen, water vapour and carbon dioxide. For the following substances, write down whether it is an element, a compound or a mixture:

  • Oxygen
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 2

Air contains the gases- nitrogen, oxygen, water vapour and carbon dioxide. For the following substances, write down whether it is an element, a compound or a mixture:

  • Nitrogen
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 2

Air contains the gases- nitrogen, oxygen, water vapour and carbon dioxide. For the following substances, write down whether it is an element, a compound or a mixture:

  • Carbon dioxide
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 2

Air contains the gases- nitrogen, oxygen, water vapour and carbon dioxide. For the following substances, write down whether it is an element, a compound or a mixture:

  • Water
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 3
Mo is making concrete. He mixes sand, small stones and cement powder. He then adds water. Before he adds the water, it is a mixture. After he adds the water it is not. Explain why.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 15>Q 4

For the given mixture, explain a method to separate them.

  • Sugar and water
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 15>Q 4

For the given mixture, explain a method to separate them.

  • Sand and water