Get premium membership and access questions with answers, video lessons as well as revision papers.
1. Boiling hard water
2. Distillation
3. Lime softening
raphael answered the question on October 9, 2018 at 04:43
- What are the disadvantages of hard water?(Solved)
What are the disadvantages of hard water?
Date posted: October 9, 2018. Answers (1)
- Outline the signs and effects of ill health in livestock(Solved)
Outline the signs and effects of ill health in livestock.
Date posted: October 9, 2018. Answers (1)
- Explain the adaptations of birds on feeding with aid of diagrams(Solved)
Explain the adaptations of birds on feeding with aid of diagrams.
Date posted: October 9, 2018. Answers (1)
- Types of crop pests, effects and control measures(Solved)
Types of crop pests, effects and control measures
Date posted: October 9, 2018. Answers (1)
- Explain the meaning of a food chain, giving examples(Solved)
Explain the meaning of a food chain, giving examples.
Date posted: October 9, 2018. Answers (1)
- Show the areas of interdependence between Animals to plants and plants to plants(Solved)
Show the areas of interdependence between Animals to plants and plants to plants.
Date posted: October 9, 2018. Answers (1)
- Describe an experiment on conditions necessary for germination(Solved)
Describe an experiment on conditions necessary for germination.
Date posted: October 8, 2018. Answers (1)
- List the parts of a seed and give their functions. Give a diagram showing the parts.(Solved)
List the parts of a seed and give their functions. Give a diagram showing the parts.
Date posted: October 8, 2018. Answers (1)
- Outline the functions of parts of flower with aid of diagrams(Solved)
Outline the functions of parts of flower with aid of diagrams.
Date posted: October 8, 2018. Answers (1)
- Explain the effects of air pollution on animals, plants and non-living things(Solved)
Explain the effects of air pollution on animals, plants and non-living things.
Date posted: October 8, 2018. Answers (1)
- Explain the major causes of air pollution(Solved)
Explain the major causes of air pollution.
Date posted: October 8, 2018. Answers (1)
- Outline the various methods of soil conservation(Solved)
Outline the various methods of soil conservation.
Date posted: October 8, 2018. Answers (1)
- Explain the effects of soil pollution on plants and animals(Solved)
Explain the effects of soil pollution on plants and animals.
Date posted: October 8, 2018. Answers (1)
- Outline some of the causes of soil pollution(Solved)
Outline some of the causes of soil pollution.
Date posted: October 8, 2018. Answers (1)
- Explain the major components of the environment(Solved)
Explain the major components of the environment.
Date posted: October 8, 2018. Answers (1)
- Outline the effects of drugs on health and society(Solved)
Outline the effects of drugs on health and society
Date posted: October 8, 2018. Answers (1)
- Give ways through which medicines are misused(Solved)
Give ways through which medicines are misused.
Date posted: October 7, 2018. Answers (1)
- Give examples of sexually transmitted infections giving causes and prevention measures(Solved)
Give examples of sexually transmitted infections giving causes and prevention measures.
Date posted: October 7, 2018. Answers (1)
- What are some of the control measures for HIV/AIDS?(Solved)
What are some of the control measures for HIV/AIDS?
Date posted: October 7, 2018. Answers (1)
- Outline care and support for people infected with HIV/AIDS(Solved)
Outline care and support for people infected with HIV/AIDS.
Date posted: October 7, 2018. Answers (1)