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प्रश्न
Write the properties of this substance.
Sugar
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उत्तर
- Sugar is a solid and particulate substance.
- Water is a solvent for sugar.
- Sugar solution is produced after it is dissolved in water.
संबंधित प्रश्न
Write the properties of this substance.
Chalk
Write the properties of this substance.
Salt
Write the properties of this substance.
Flour
Write the properties of this substance.
Pen
Short Answer Type Question:
Metals have lustre (shine). Give the reason why some metal articles become dull and loose their shine.
Short Answer Type Question:
Kerosene, coconut oil, mustard oil do not dissolve in water, even on shaking. They separate after sometime forming two different layers. Explain why.
Long Answer Type Question:
Write an experiment to show that our palm is translucent.
Long Answer Type Question:
How can you show that some solids like sugar, salt are soluble in water whereas solids like chalk powder and sand are not soluble in water?
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in table below. Help them in filling the table.
| Name of the material |
Appearance (Hard/Soft) |
Transparency (Transparent/ Translucent/ Opaque) |
Floats/ Sinks in water |
Soluble/ Insoluble in water |
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
milaunuim
