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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:
Which material is generally used for making pens? Wood, aluminum, plastic, cotton
We cannot compress, cut or bend the rough materials easily.
Write whether the given materials are hard or soft.
| Wood | Eraser | Cotton |
| ______ | ______ | ______ |
Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
Name five objects which can be made from wood.
A notebook has lustre while an eraser does not.
Choose the odd one:
Choose the odd one:
Pick one material from the following which is completely soluble in water.
Which of the following materials is not lustrous?
