Breaking a chalk is easier than the breaking of nails. It proves that-

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The attraction of particles varies from matter to matter.

There is no attraction between the particles of the matter.

The attraction of particles are always same in all the matter.

Particles of matter have space in between them

answer is A.

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Detailed Solution

The physical properties of matter is-i) the particles of matter have space between them, ii) the particles of matter attract each other, and iii) the particles of matter ar moving continuously. Breaking of chalk is easier than the nails. It proves that the attraction of particles varies from matter to matter. The nails have the strong force of attraction than the chalk.

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