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प्रश्न
Pick one material from the following which is completely soluble in water.
पर्याय
Chalk powder
Tea leaves
Glucose
Saw dust
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उत्तर
Glucose
Explanation:
Glucose is completely soluble in water.
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संबंधित प्रश्न
Very Short Answer Type Question:
Select a lustrous material out of the following substances.
A notebook has lustre while an eraser does not.
Choose the odd one:
Choose the odd one:
Soft materials can be early compressed.
What is material?
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and ______ is sulphur dioxide gas. When sulphur dioxide is dissolved in ______, sulphurous acid is formed. The sulphurous acid turns ______ litmus paper to ______. Generally oxides of ______ are acidic in nature.
After completing the paragraph, write two questions which you can raise on the basis of this information.
lt was Paheli’s birthday. Her grandmother gave her two gifts made of metals, one old dull silver spoon and a pair of lustrous gold earrings. She was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference?
Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
