In which of the following steps of hydrological cycle water is purified?जल चक्र (hydrological cycle) के निम्नलिखित में से किस चरण में जल का शुद्धिकरण होता है?
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Correct answer: C. Evaporationवाष्पीकरण (Evaporation)
Explanation
During evaporation only water molecules leave the surface as vapour, while dissolved salts, minerals and suspended impurities are left behind — this is nature's distillation, so the water is purified at this stage. Condensation only changes vapour back to droplets, precipitation brings the water down, and transpiration is the loss of water from plants.वाष्पीकरण के दौरान केवल जल के अणु वाष्प बनकर सतह छोड़ते हैं, जबकि घुले हुए लवण, खनिज तथा निलंबित अशुद्धियाँ पीछे रह जाती हैं — यह प्रकृति का आसवन है, अतः इसी चरण में जल शुद्ध होता है। संघनन केवल वाष्प को पुनः बूँदों में बदलता है, वर्षण जल को नीचे लाता है और वाष्पोत्सर्जन पौधों से जल की हानि है।More People, Development and Environment questions
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