Which of the following is the best example of the law of conservation of mass?When 12 gm of carbon is heated in vacuum, there is no change in mass Weight of platinum wire is the same before and after heatingA sample of air increases in volume when heated at constant pressure but mass remains unchanged12 gm of carbon combines with 32 gm of oxygen to give 44 gm of carbon dioxide

Submitted by examrobotsa on Thu, 01/01/1970 - 05:30

Which of the following is the best example of the law of conservation of mass?

When 12 gm of carbon is heated in vacuum, there is no change in mass

Weight of platinum wire is the same before and after heating

A sample of air increases in volume when heated at constant pressure but mass remains unchanged

12 gm of carbon combines with 32 gm of oxygen to give 44 gm of carbon dioxide

question_subject:

Science

question_year:

2009

question_exam:

NDA-II

stats:

0,104,136,32,32,72,104

Q: 96 (NDA-II/2009)