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LoginWhich of the following is the best example of the law of conservation of mass?                       [NDA]
Question Bank UPSC IAS Exam 1 year ago
Option 1 : When 12 gm. of carbon is heated in vacuum, there is no change in mass
Option 2 : Weight of platinum wire is the same before and after heating
Option 3 : A sample of air increases in volume when heated at constant pressure but mass remains unchanged
Option 4 : 12 gm. of carbon combines with 32 gm. Of oxygen to, give 44 gm. of carbon dioxide.
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Best Answer
1 year ago
Weight of platinum wire is the same before and after heatingClick Here For More