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 (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 ...
The correct answer is (b) Blue colour will spread more quickly in B. In hot water (B), the higher temperature increases the kinetic energy of water molecules, speeding up the diffusion of copper sulfate. This causes the blue color to ...
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