Acid and Bases Indicators

Harper, Daniel, and Mia are conducting a science experiment in their school lab. They decided to test the pH of their morning black coffee using the Litmus test. If the coffee has a pH of 4, what color would the Litmus paper turn?

• red

• blue

• colorless

• yellow

• pink

Sophia and Abigail are conducting a science experiment in their school. They are using a drain cleaner with a pH of 14 and testing it with the indigo carmine test. What color would the indicator read?

• red

• blue

• colorless

• yellow

• pink

Zoe, Priya, and Scarlett are conducting a science experiment in their school lab. They are testing the acidity of various fruits using the bromothymol blue test. They have a grapefruit with a pH of 3. What color would the bromothymol blue test read for this grapefruit?

• red

• blue

• colorless

• yellow

• pink

Nora, David, and Scarlett are conducting a science experiment in their school lab. They decided to test the acidity of various substances. Nora suggested testing lemon juice. After squeezing a fresh lemon, they used a Phenolphthalein test to measure the pH level, which turned out to be 2. What color would the pH indicator read?

• red

• blue

• colorless

• yellow

• pink

Tags

NGSS.MS-PS1-2

Lily, Mason, and Isla are conducting a science experiment in their school. They are using Baking Soda which has a pH of 9 and they decide to test it using the Methyl Red test. What color would the pH indicator read?

• red

• blue

• colorless

• yellow

• pink

Liam, Aria, and David are conducting a science experiment in their chemistry class. They are testing the pH of different substances using the Methyl Orange test. They have a sample of distilled water with a pH of 7. What color would the Methyl Orange test indicate for this sample?

• red

• blue

• colorless

• yellow

• pink

Nora, Grace, and Evelyn are conducting a science experiment in their school. They decided to test the pH of various liquids. Nora suggested testing the pH of tomato juice. They used the Phenolphthalein test. What color would the indicator read for tomato juice with a pH of 4?

• red

• blue

• colorless

• yellow

• pink

Tags

NGSS.MS-PS1-2

Michael, Mia, and Sophia are conducting a science experiment in their school. They are testing the pH of different substances using the Phenolphthalein test. They decided to test a soap water solution and found its pH to be 10. What color would the Phenolphthalein indicator turn in this case?

• red

• blue

• colorless

• yellow

• pink

Tags

NGSS.MS-PS1-2

Abigail, Mason, and Aiden are conducting a science experiment in their school lab. They are using the Litmus test to determine the pH of different substances. They have a sample of vinegar with a pH of 3. What color would the Litmus paper turn when they test the vinegar?

• red

• blue

• colorless

• yellow

• pink

Tags

NGSS.MS-PS1-2

Scarlett, Maya, and Benjamin are conducting a science experiment in their chemistry class. They are given a mystery solution and they determine its pH to be 11 using the Litmus test. What color would the Litmus paper turn?

• red

• blue

• colorless

• yellow

• pink