Quiz about pH Balance

Question 1

When placed in order from highest to lowest pH, which of the following substances is closest to neutral and is a base?

Accepted Answer

Antacid

Answer

Black coffee

Answer

Baking Soda

Answer

Apple Juice

Question 2

A base has a pH level from ....

Accepted Answer

8-14

Answer

0-6

Answer

7

Answer

none of the above.

Question 3

On the pH scale 7 is known as...

Accepted Answer

neutral

Answer

acid

Answer

base

Answer

none of the above

Question 4

If the substance is neutral, what would the pH be?

Accepted Answer

7

Answer

3

Answer

5

Answer

9

Answer

11

Question 5

Which of these pH values represent an acid?

Accepted Answer

4

Answer

8

Answer

10

Answer

12

Question 6

Which of the following pH values represents a base?

Accepted Answer

8.1

Answer

2.1

Answer

4.6

Answer

6.8

Question 7

Wyatt is conducting an experiment to test the acidity of different liquids. He finds that milk is a very weak acid. What might its pH value be?

Accepted Answer

6.5

Answer

7.8

Answer

4.2

Answer

12.2

Question 8

The strongest bases have pH values close to

Accepted Answer

14

Answer

0

Answer

7

Answer

5

Question 9

Is this substance acidic, basic, or neutral?

Accepted Answer

Neutral

Answer

Acidic

Answer

Basic

Question 10

Milk is a very weak acid. What might its pH value be?

Accepted Answer

6.5

Answer

7.8

Answer

4.2

Answer

12.2

Question 11

Brooklyn is testing a liquid in her chemistry class. Is this substance acidic, basic, or neutral?

Accepted Answer

Neutral

Answer

Acidic

Answer

Basic

Question 12

Which pH range is generally considered optimal for most plant growth?

Accepted Answer

5.5-7

Answer

3-4

Answer

8-9

Answer

10-11

Question 13

What is the pH value of a neutral solution like tap water?

Accepted Answer

7

Answer

0

Answer

14

Answer

1

Question 14

Which of the following substances is most likely to have a pH less than 7? *be considered acidic

Accepted Answer

Lemon juice

Answer

Pure water

Answer

Baking soda solution

Answer

Soap

Question 15

If a solution has a pH of 3, what can you infer about its pH?

Accepted Answer

It is acidic

Answer

It is neutral

Answer

It is basic

Answer

It is alkaline

Question 16

Which of the following is a basic/alkaline solution?

Accepted Answer

Ammonia

Answer

Vinegar

Answer

Orange juice

Answer

Milk

Question 17

Describe the effect of a basic pH on plant nutrient availability.

Accepted Answer

Decreases nutrient availability

Answer

Increases nutrient availability

Answer

Has no effect on nutrient availability

Answer

Changes the type of nutrients available

Question 18

Which of the following pH values indicates a strong base?

Accepted Answer

13

Answer

2

Answer

5

Answer

7

Question 19

What is the pH range of human blood under normal conditions?

Accepted Answer

B) 7.35-7.45

Answer

A) 6.0-6.5

Answer

C) 8.0-8.5

Answer

D) 9.0-9.5

Question 20

Which of the following solutions is likely to have a pH greater than 7?

Accepted Answer

C) Baking soda solution

Answer

A) Vinegar

Answer

B) Lemon juice

Answer

D) Coffee

Question 21

What happens to the pH of a solution when an acid is added to it?

Accepted Answer

B) The pH decreases

Answer

A) The pH increases

Answer

C) The pH remains the same

Answer

D) The pH becomes neutral

Question 22

In an experiment, a student adds a few drops of phenolphthalein to a solution and it turns pink. What can be inferred about the pH of the solution?

Accepted Answer

C) The solution is basic

Answer

A) The solution is acidic

Answer

B) The solution is neutral

Answer

D) The solution is highly acidic

Question 23

Which of the following is a characteristic of a solution with a pH of 2?

Accepted Answer

A) It is a strong acid

Answer

B) It is a weak acid

Answer

C) It is neutral

Answer

D) It is a strong base

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science