Acids and Alkalis 01

1. Which of the following substances contain acid?

   • An orange
   • Bleach
   • Distilled water
   • Washing powder

2. Which of the following substances contain an alkali?

   • Baking powder
   • Coca cola
   • Distilled water
   • Vinegar

3. Which of the following pH numbers indicates a neutral substance?

   • 1
   • 5
   • 7
   • 14

4. Which of the following pH numbers indicates a strong acid?

   • 1
   • 5
   • 7
   • 14

5. Which of the following pH numbers indicate a strong alkali?

   • 1
   • 5
   • 9
   • 14

6. Which acid do we have in our stomach?

   • Ethanoic acid
   • Hydrochloric acid
   • Nitric acid
   • Sulphuric acid

7. What colour is universal indicator in strong acid?

   • Green
   • Orange
   • Purple
   • Red

8. What colour is universal indicator in a neutral solution?

   • Green
   • Orange
   • Purple
   • Red

9. What colour is universal indicator in an alkali?

   • Green
   • Orange
   • Purple
   • Red

10. Strong acids and strong alkalis are.......

    • Able to turn blue litmus paper red
    • Corrosive
    • Sour
    • Sweet

Quiz written by Sue Davison