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To prepare ammonia gas and study it's properties. (By Nilam Jha) (Nilam Tutorial) View |
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Lab preparation of carbon dioxide gas DPS (Arvind mandal) View |
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Laboratory preparation of hydrogen sulphide gas and its physical properties. (Ankur Maiti) View |
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प्रयोगशालामा हाइड्रोजन ग्याँसको उत्पादन/ Laboratory Preparation of Hydrogen Gas (SB Nishant) View |
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