Annie performed an experiment in her kitchen. She poured 2 cups of water in a large glass. She added three drops of green food coloring to the water. The water slowly turned green. She added an Alka-Seltzer® tablet to the water. The tablet began to fizz and create bubbles in the water. Which of the following is evidence of a chemical change in Annie's experiment? ANSWERS ARE a) color change b) formation of a gas c) change of state d) flammability
Annie performed an experiment in her kitchen. She poured 2 cups of water in a large glass. She added three drops of green food coloring to the water. The water slowly turned green. She added an Alka-Seltzer® tablet to the water. The tablet began to fizz and create bubbles in the water. Which of the following is evidence of a chemical change in Annie's experiment? ANSWERS ARE a) color change b) formation of a gas c) change of state d) flammability
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter10: Fuels, Organic Chemicals, And Polymers
Section10.2: U. S/ Energy Sources And Consumption
Problem 10.4E
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Annie performed an experiment in her kitchen. She poured 2 cups of water in a large glass. She added three drops of green food coloring to the water. The water slowly turned green. She added an Alka-Seltzer® tablet to the water. The tablet began to fizz and create bubbles in the water. Which of the following is evidence of a chemical change in Annie's experiment?
ANSWERS ARE
| a) |
color change
|
| b) |
formation of a gas
|
| c) |
change of state
|
| d) |
flammability
|
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