Acid-Base Review and Assessment

Which of the following is a characteristic of an acid based on its chemical formula?

• It contains an OH group at the end.

• It has an H at the front of the formula.

• It always contains a metal.

• It has a pH above 7.

What is the pH value of a neutral substance?

• 0

• 7

• 14

• 2

Which of the following is an example of a food that contains acids?

• Kale

• Lemons

• Bread

• Water

What taste is commonly associated with acids?

• Bitter

• Sweet

• Sour

• Salty

Which word is commonly used to refer to alkalis?

• Acid

• Base

• Salt

• Metal

What is the pH range for strong acids?

• 0–2

• 2–7

• 7–12

• 12–14

Which of the following is a property of bases?

• They taste sour.

• They taste bitter.

• They are always liquids.

• They have a pH below 7.

Which of the following formulas represents a base?

• HCl

• NaOH

What is the pH range for strong bases?

• 0–2

• 2–7

• 7–12

• 12–14

Which of the following is the only example of a food containing a base mentioned in the lesson?

• Lemon

• Kale

• Vinegar

• Apple