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प्रश्न
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
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उत्तर
Sugar - Soluble in water
Salt - Soluble in water
Mustard oil - Insoluble in water
Sand - Insoluble in water
Sawdust - Insoluble in water
Honey - Soluble in water
Chalk powder - Insoluble in water
Petals of flower - Insoluble in water
Soil - Insoluble in water
Copper sulphate crystals - Soluble in water
Glucose - Soluble in water
Wheat flour - Insoluble in water
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संबंधित प्रश्न
Very Short Answer Type Question:
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Very Short Answer Type Question:
Is oil soluble in water?
Short Answer Type Question:
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Give one plastic scale and a wooden scale to the students. Ask them to bend. Tabulate their observation (bends, does not bend).
| Plastic Scale | Wooden Scale |
| ______ | ______ |
Name five objects which can be made from wood.
A piece of wood floats on water.
Smooth materials do not have ups and downs.
Name some examples for shiny materials?
Match the substances in Column A with their applications given in Column B.
|
Column A |
Column B |
| (a) oxygen | (i) for making crackers |
| (b) copper | (ii) for disinfecting water |
| (c) sulphur | (iii) all living beings inhale during breathing |
| (d) iron | (iv) for making electric wires |
| (e) chlorine | (v) for making rails |
