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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.
Sugar
Write the properties of this substance.
Coal
Write the properties of this substance.
Pen
Very Short Answer Type Question:
Is a substance which can be compressed soft or hard?
Short Answer Type Question:
Write any four properties of materials.
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:
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.
Short Answer Type Question:
Why is water called a universal solvent?
Long Answer Type Question:
Describe an experiment to prove that water is transparent.
Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.
