Unit 9 Household Acid-Base Testing Labs Quiz

When testing a solution, a pH of less than 7 would be classified as a(n) _____.

When testing a solution, a pH of greater than 7 would be classified as a(n) _____.

When testing a solution, a pH of 7 would be classified as a(n) _____.

When testing a brand of bottled water, the red litmus paper stayed red and the blue litmus paper stayed blue. This would indicate this brand of water was _____. 

When testing a substance, the red litmus paper turned blue and the blue litmus paper stayed blue. This would indicate this substance was _____. 

When testing a sample of lemon water, the universal changes from green to yellow-orange. This would indicate lemon water was _____. 

When testing aspirin, the universal turned  from green to yellow. This would indicate the aspirin  was _____. 

When testing vinegar, the universal turned changed from green to red. This would indicate vinegar  was _____. 

When testing ammonia, the universal changed from green to blue-green. This would indicate ammonia  was _____. 

When testing milk, the universal turned from green to yellow. This would indicate milk  was _____. 

When testing ammonia, the phenolphtalein changed from colorless to pink. This would indicate ammonia  was _____. 

When testing a substance, the pH paper (pHydrion paper) the color was green-blue. This would indicate the pH was approximately _____. 

When testing a substance, the pH paper (pHydrion paper) the color was yellow-orange. This would indicate the pH was approximately _____. 

What effect does adding an acid to water have?

Each number on the pH scale is a factor of _____.