Methane is a hydrocarbon which when burns in air (combustion) produces carbon dioxide and water. The equation for the reaction;
CH4 +2O2 = CO2 +2H2O
When one mole of methane combusts 2 moles of water are formed
Therefore; when 22 moles of methane combusts 44 moles of water are formed (22 ×2)
A cartilage doesn’t produce blood cells
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D milk turning sour
the other options are physical changes
Answer:
3
Explanation:
metallic oxides are basic in nature.
