Acid and Base

What is the pH range of an acid?

• 4-6

• 1-7

• 1-6

• 8-14

What would happen to blue litmus paper if it came into contact with an acid?

• It would turn red

• It would turn green

• It would stay blue

• It would turn pink

Which of the following pH values would be the weakest acid?

• 1

• 3

• 5

• 6

Which of the following pH values would be the strongest acid?

• 1

• 3

• 4

• 6

In a neutralization reaction, what are the products of a reaction between an acid and a base?

• salt + hydrogen

• salt + carbon dioxide

• salt + water

• salt + water + hydrogen

Identify the salt in the following equation:

Zn(OH)₂ + HNO₃ → H₂O + Zn(NO₃)₂

• Zn(OH)₂

• HNO₃

• H₂O

• Zn(NO₃)₂

Complete the following reaction:

Hydrochloric acid + magnesium hydroxide → ???

• magnesium chloride + water

• magnesium + water

• magnesium chloride + hydrogen gas

• magnesium chloride + water + carbon dioxide

Complete the following reaction:

HNO₃ + Ca(OH)₂ → ???

• Ca(NO₃)₂ + H₂O

• Ca +H₂O

• Ca(NO₃)₂ + H₂

• Ca(NO₃)₂ + H₂O + CO₂

What is the pH of water?

• 0
• 4
• 7
• 14

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon