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 ...
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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 ...
Large bodies of water on Earth are called “oceans.” They cover almost three-fourths of the Earth’s surface and significantly influence climate, weather patterns, and the overall ecosystem. Class VI Book Exploring Society India and Beyond Chapter 2 Oceans and Continents.
Malli and Valli observe bundles of harvested wheat stalks lying in the fields. Some stalks are spread out in the sun for drying. They also see farmers beating the stalks on a large wooden log. NCERT Book Curiosity Science Class ...