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प्रश्न
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
उत्तर
When sugar is added to the water, it dissolves completely and disappears in the water. When sawdust is added, it will float on the surface of the water. When soil is added, it will settle at the bottom of the water.
संबंधित प्रश्न
What are the main causes of water pollution ? How can it be controlled ?
What is the effect of impurities present in the water on the melting point and boiling point of water?
Define
Henry's law
Name a ‘pure form’ and an,‘impure form’ of water in the natural state.
Define ‘eutrophication’.
From where do the following usually get water? In which form is water present in them?
Aquifer
Which of the following is wastewater?
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria and other microbes. Give names for (x), (a) and (b)?
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
