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प्रश्न
Write the properties of this substance.
Iron ball
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उत्तर
- Iron is a substantial metal.
- The iron exhibits both malleability and ductility.
- The iron has the capacity to fabricate filaments or sheets. Iron is utilized in the production of a variety of apparatus.
- Iron exhibits thermal conductivity and electrical conductivity. Consequently, iron is utilized in the construction of numerous devices.
- Iron also possesses sonority.
संबंधित प्रश्न
Write the properties of this substance.
Salt
Write the properties of this substance.
Flour
Write the properties of this substance.
Pen
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Name two gases which are insoluble in water.
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Kerosene, coconut oil, mustard oil do not dissolve in water, even on shaking. They separate after sometime forming two different layers. Explain why.
Short Answer Type Question:
Metals generally occur in solid state and are hard. Name a metal that exists in liquid state and a metal that is soft and can be cut with knife.
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Write an experiment to show that our palm is translucent.
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
