Question

law of conservation of mass does not hold good when we talkabout conversion of _______ into _________ ( options: valence,mass ,olffins, cnh2n+2,energy, ionic, protons, covalent, high, low, paraffins, volume ,electron ,cnh2n, molality, molarity, normality)​

Answer 1

Answer:

mass into valency I think

Answer 2

Answer:

matter and energy

Explanation:

The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers

CH4 + 2o2 -----> CO2 + 2H2O