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Litmus Strips

Read the story and answer the questions to test your comprehension.

Litmus strips are very useful in testing how acidic or alkalide something is - to see whether it is an acid or a base. Lemons, for example, have a lot of acid and would show up red on a litmus test. Today's chemists and scientists use litmus paper while ancient scientists used lichens and tree moss.

  1. 1. What does an acid show up as on a litmus strip?
    1. a. Yellow
    2. b. Blue
    3. c. Red
  2. 2. What has a lot of acid?
    1. a. Lemons
    2. b. Water
    3. c. Oil
  3. 3. What do litums strips test?
    1. a. How hot something is
    2. b. How acidic or alkaline something is
    3. c. How sharp something is