Try to break a piece of chalk, a piece of charcoal and a piece of iron.
In which of the above three substances would you find the force of attraction between the particles to be highest?

Piece of charcoal

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Piece of chalk

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Force of attrcation is same in all the substances

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Piece of iron

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Solution

The correct option is D Piece of iron
The particles of matter have force acting between them. This force keeps the particles together. The strength of this force of attraction varies from one kind of matter to another.
Here, a metal piece of iron doesn't break easily. So, iron has the highest force of attraction between its particles.

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Q. Try to break a piece of chalk, a piece of charcoal and a piece of iron.
In which of the above three substances would you find the force of attraction between the particles to be highest?

Use the following information to answer the next question.

Sunita took an iron nail, a lump of alum, and a chalk piece. She hammered them one by one and observed that the chalk piece was the easiest to break, followed by alum, and then the iron nail.

What is the order of the three substances according to the increase in their forces of attraction?

Options:

1. Iron nail

2. Chalk piece

3.Lump of alum

4. Chalk piece

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Try to break a piece of chalk, a piece of charcoal and a piece of iron. In which of the above three substances would you find the force of attraction between the particles to be highest?

Try to break a piece of chalk, a piece of charcoal and a piece of iron.
In which of the above three substances would you find the force of attraction between the particles to be highest?