Chemical Reactions and pH Scale Quiz

What is used to treat a wasp sting?

• Vinegar

• Bicarbonate of soda

• Salt

• Water

What is used to treat a bee sting?

• Salt

• Water

• Bicarbonate of soda

• Vinegar

What group of chemicals do acids belong to?

• Alkalis

• Bases

• Neutral

• Acids

What color does Universal indicator turn in the presence of an acid?

• Green

• Yellow

• Blue

• Red

What color does Universal indicator turn in the presence of an alkaline substance?

• Pink

• Red

• Blue

• Yellow

What is the pH of a neutral substance?

• 1

• 0

• 7

• 14

What is the pH range of strong acids?

• 10-14

• 1-3

• 4-6

• 7-9

What is the pH range of strong alkalis?

• 1-3

• 4-6

• 7-9

• 10-14

What is the pH of hydrochloric acid in the stomach?

• 1

• 2

• 3

• 4

What substance is used in indigestion tablets to neutralize stomach acid?

• Water

• Vinegar

• Bicarbonate of soda

• Salt