1. Ikram needs pure water to prepare a solution. His friend gave him a bottle of water. Suggest a way that he can use to determine whether the water is pure or not.
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Answer:
pass the water through a layer of cotton then a layer of sand than a layer of charcoal then finnaly a layer of gravel . finnaly pass this through a filter paper the result is pure water
Explanation:
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the presence of dissolved solids in water can be tested by carrying out an experiment of osmosis using a seed. a seed is taken and dissolved in the solution of water.
Explanation:
- If there isdecrease in the size of the seed then and the water consists of a large number of solute due to which and osmosis takes place from the seed resulting in decrease of the size.
- With increase in pollutants in water the visual transparency of the water decreases. The order and the taste of water also slightly changes on adding impurity to water.
To know more about purification of water,
Purification of water by natural plants and wetlands - Brainly.inhttps://brainly.in/question/1599737
Water purification system in water works class 9 explain - Brainly.in
https://brainly.in/question/1588295
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