Acids and Bases

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

Bases have many uses. They are mainly used to make

• cleaning products

• soaps

• concrete

• all of the answer choices

Tags

NGSS.HS-ETS1-3

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

• 3

• 5

• 7

• 9

• 11

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Which is the stronger acid?

• pH 1

• pH 4

• pH 8

• pH 13

Which of the following is a base?

• baking soda in water

• orange juice

• vinegar

• lemonade

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.

• a stronger acid.

• impossible to tell without testing the pH.

• a stronger base

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

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

• 6.5

• 7.8

• 4.2

• 12.2

Tags

NGSS.MS-PS1-2