Chemistry
Rutherford’s scattering experiment proved the presence of

Nucleus in atoms
Neutrons in atoms
Atoms in all matter
Electrons in atoms

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Chemistry
Table salt gets moist during rainy season because

Sodium chloride is hygroscopic
Sodium chloride contains hygroscopic impurities like magnesium chloride
Sodium chloride is deliquescent
Sodium chloride contains some quantity of sodium iodide

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