Gemma Young and Mark Levesley Solutions for Exercise 13: Exercise 13

Author:Gemma Young & Mark Levesley

Gemma Young Science Solutions for Exercise - Gemma Young and Mark Levesley Solutions for Exercise 13: Exercise 13

Attempt the free practice questions from Exercise 13: Exercise 13 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 8 : Student's book solutions are prepared by Experienced Embibe Experts.

Questions from Gemma Young and Mark Levesley Solutions for Exercise 13: Exercise 13 with Hints & Solutions

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 13>Q 1

Describe the difference between a compound and a mixture.

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.