It is a combustion reaction because when methane burns with oxyzen it produces carbon dioxide,water and heat and light.
The physical state of each reactant and product
Answer:
So, electrolysis of water produces 2 volumes of hydrogen gas and 1 volume of oxygen gas because the ratio of hydrogen and oxygen elements in water is 2:1 by volume. Therefore, the amount of gases collected in two test tubes is not equal.
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Answer: BI
because of rection progress
Explanation:
The mass stays constant as it changes from a liquid to a solid