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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
Write the properties of this substance.
Sugar
Write the properties of this substance.
Ink
What is it made from? Why?
A screwdriver
Very Short Answer Type Question:
Is a substance which can be compressed soft or hard?
Very Short Answer Type Question:
Name two gases which are insoluble in water.
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:
Why is water called a universal solvent?
You are provided with the following materials
- Magnifying glass
- Mirror
- Stainless steel plate
- Glass tumbler
Which of the above materials will you identify as transparent?
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 |
