Which of the following are examples of a chemical change? a. Copper building mat
ID: 1039915 • Letter: W
Question
Which of the following are examples of a chemical change?a. Copper building materials develop a green patina over time.
b. a match burns
c. ethanol evaporates
d. Both A and B are examples of chemical change.
e. All of the above are examples of chemical change. Which of the following are examples of a chemical change?
a. Copper building materials develop a green patina over time.
b. a match burns
c. ethanol evaporates
d. Both A and B are examples of chemical change.
e. All of the above are examples of chemical change. Which of the following are examples of a chemical change?
a. Copper building materials develop a green patina over time.
b. a match burns
c. ethanol evaporates
d. Both A and B are examples of chemical change.
e. All of the above are examples of chemical change.
Explanation / Answer
Answer:d.)both A and B are examples of chemical change
Because ethanol evaporates is physical change...only phase change occurring in evaporation of liquid ethanol.But oxidation reaction in example A and combustion reaction in example B occurs...
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