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प्रश्न
What will happen if....? And why?
Nails are made of plastic.
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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.
Chalk
Write the properties of this substance.
Iron ball
Write the properties of this substance.
Soap
What is it made from? Why?
A screwdriver
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:
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.
Long Answer Type Question:
Write an experiment to show that our palm is translucent.
If in the following figure, iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
You are provided with the following materials – turmeric, honey, mustard oil, water, glucose, rice flour, groundnut oil.
Make any three pairs of substances where one substance is soluble in the other and any three pairs of substances where one substance remains insoluble in the other substances.
Arrange the jumbled words to arrive at the appropriate name of material and also write two uses of it.
milaunuim
