Salt is obtained by keeping seawater in shallow pits and exposing it to sunlight and air. The water evaporates, leaving behind a solid mixture, from which common salt is further purified. NCERT Science Textbook Curiosity Science Session 2024-2025.
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Common salt is obtained from seawater, which is a mixture of salts and other substances dissolved in water. Chapter 9 Methods of Separation in Everyday Life Class VI NCERT Book Curiosity Science
Sieving is used to separate components of a solid-solid mixture that have different sizes, allowing the smaller particles to pass through while retaining the larger ones. Class 6 Science NCERT Chapter 9 Chapter 9 Methods of Separation in Everyday Life
No, sieving will not work effectively if the holes of the sieve are larger than the substances being sieved, as both fine and larger particles could pass through. NCERT Book Curiosity Science Class 6 Session 2024-2025.
Mami uses a sieve to remove bran and other impurities like small stones from the flour, ensuring that only fine flour particles are used in the dish. NCERT Book Curiosity Science Class 6 Class 6 Science NCERT Chapter 9