Pure or mixture

Exercise and reference answers

Questions

1. Answer

   Pure

   Question

   Distilled water

   Choices

   1. Pure
   2. Mixture

2. Answer

   Mixture

   Question

   Air

   Choices

   1. Mixture
   2. Pure

3. Answer

   Mixture

   Question

   A cup of tea

   Choices

   1. Mixture
   2. Pure

4. Answer

   Pure

   Question

   Solid copper

   Choices

   1. Pure
   2. Mixture

5. Answer

   Mixture

   Question

   Sugar solution

   Choices

   1. Mixture
   2. Pure

6. Answer

   Pure

   Question

   Common salt crystal

   Choices

   1. Pure
   2. Mixture

Instructions

Pick the right one each time. Too many wrong picks and the tower falls.

Explanation