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प्रश्न
Write the properties of this substance.
Chalk
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उत्तर
- Chalk is a solid material.
- It is not soluble in water.
- Brittleness is a characteristic of chalk.
- When subjected to pressure, chalk disintegrates into fine particles.
संबंधित प्रश्न
Write the properties of this substance.
Ink
Write the properties of this substance.
Soap
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Short Answer Type Question:
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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 |
