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In which situation will experimental verification of conservation of mass be best?किस स्थिति में द्रव्यमान संरक्षण का प्रयोगात्मक सत्यापन सबसे अच्छा होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Weighing all substances in a closed vesselबंद पात्र में सभी पदार्थ तौलना
In a closed vessel matter does not escape so total mass is correct. Exam tip: closed vessel is the safe answer.बंद पात्र में पदार्थ बाहर नहीं जाता इसलिए कुल द्रव्यमान सही मिलता है। परीक्षा में closed vessel answer सुरक्षित है।
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