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प्रश्न
Write the properties of this substance.
Glass
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उत्तर
- Glass is a solid state.
- Properties of Glass: Brittleness, hardness, density and transparency.
संबंधित प्रश्न
Why does this happen?
The fragrance of incense sticks lighted in one corner of a room spreads to the other corner.
Very Short Answer Type Question:
Name two gases which are insoluble in water.
Short Answer Type Question:
Why is a tumbler not made with a piece of cloth?
Short Answer Type Question:
Name a non-metal that has lustre.
Long Answer Type Question:
Describe an experiment to prove that water is transparent.
List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Find the odd one out from the following:
Which among the following materials would you identify as soft materials and why?
Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.
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
