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29 January, 01:46

What can you observe to know that when clear methane gas is burned it is a chemical change?

1) Change of color

2) Formation of a precipitate

3) Change in mass

4) Formation of a gas

5) Change in temperature

6) Change in shape

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Answers (1)
  1. 29 January, 02:37
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    4) Formation of a gas

    When methane burns, it produces the gases water vapor and carbon dioxide.
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