Which of the following illustrates the law of conservation of mass?

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Question:
Which of the following illustrates the law of conservation of mass?

1.Mixing of 10 g of sulphur and 2 g of sand does not show a change in mass

2.The mass of platinum wire before and after heating remains constant

3.2.2 g of propane and 8 g of oxygen produces 10.2 g of gaseous mixture

4.2.8 g of CO and 1.6 g of oxygen gave only 2.24 L of CO2 at S.T.P.

Posted Date:-2021-09-30 17:03:25

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