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The force of attraction between the particles of matter is maximum in:
Aliquid alcohol
Bflowing water
Ca copper rod
Dstill air
Answer & Solution
Correct answer: C. a copper rod
1. Interparticle force of attraction is strongest when particles are closely packed.
2. Solids have the most tightly packed particles, then liquids, then gases.
3. Among the options, the copper rod is a solid, so the force is maximum there.
_Source: RRB Group D CEN-02/2018 PYQ, Q.86._
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