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1) Which of the following is the best example of a physical change? A) Sugar Dissolving in tea B) Firefly Glowing 2) In the combustion of ethane, what is/are the reactants? C2H6 …

1) Which of the following is the best example of a physical change? A) Sugar Dissolving in tea B) Firefly Glowing 2) In the combustion of ethane, what is/are the reactants? C2H6 …
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1) Which of the following is the best example of a physical change?

A) Sugar Dissolving in tea

B) Firefly Glowing

2) In the combustion of ethane, what is/are the reactants?

C2H6 + O2 ==> CO2 + H2O

A) C2H6 and O2

B) CO2 and C2H6

User Jabson
by
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1 Answer

5 votes

1 is b and 2 is also b

User Jason Krs
by
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