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

Question

Agustin Garrison

25 December, 16:38

+5

Answers (1)

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Noe Dougherty · Answer 1

Noe Dougherty 25 December, 20:27

0

1 is b and 2 is also b

1) Which of the following is the best example of a physical change?A) Sugar Dissolving in teaB) Firefly Glowing2) In the combustion of ethane, what is/are the reactants?C2H6 + O2 = => CO2 + H2OA) C2H6 and O2B) CO2 and C2H6