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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
Find the odd one.
Umbrella, sponge, rain coat, jerkin
Match the objects that are made of the same material.
| A | B | C |
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Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
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| ______ | ______ | ______ | ______ |
When can you say a material is waterproof material?
Oil mixes with water.
Sand settles down in the water.
Soft materials can be early compressed.
Differentiate hard and soft materials.
Fill in the blanks to complete the following paragraph.
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After completing the paragraph, write two questions which you can raise on the basis of this information.
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
