The correct answer is (c) Gases and liquids behave like fluids. Fluids are substances that can flow and take the shape of their container. Both gases and liquids exhibit this property because their molecules can move freely, unlike solids, which ...
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The correct answer is (a) 3.34 × 10⁵ J/kg. The latent heat of fusion of ice is the heat energy required to convert 1 kg of ice into water at 0°C without a temperature change. This energy breaks intermolecular bonds ...
The correct answer is (d) evaporation. During summer, water in an earthen pot becomes cool due to evaporation. The porous walls allow water to seep out and evaporate, absorbing heat from the stored water, thus lowering its temperature and keeping ...
The correct answer is (d) All of these. Iodine, camphor, and naphthalene all undergo sublimation, meaning they directly change from solid to gas without becoming liquid. This process occurs due to weak intermolecular forces, allowing these substances to vaporize upon ...
The correct answer is (b) Solid < Liquid < Gas. In solids, particles are tightly packed with minimal space between them. In liquids, particles have more space and can move freely. In gases, particles are far apart, allowing them to ...