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प्रश्न
What will happen if....? And why?
Nails are made of plastic.
उत्तर
If nails are made out of plastic, they cannot be used for their usual purposes. They could not be hammered like iron nails and would not possess the strength which iron nails have. It means they would have no strength to hold the things together.
संबंधित प्रश्न
Write the properties of this substance.
Soil
Very Short Answer Type Question:
Which is more hard, sponge or iron?
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.
Short Answer Type Question:
Name a non-metal that has lustre.
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:
If in figure given above, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
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.
tcaslpi
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
soekrnee
