Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Chemical bonds
   2. Van der Waals
   3. Not specific
   4. Reversible

   Odd item

   Chemical bonds

2. Items

   1. Charcoal
   2. Silica gel
   3. Alumina gel
   4. Nitrogen gas

   Odd item

   Nitrogen gas

3. Items

   1. Adsorption
   2. Desorption
   3. Absorption
   4. Distillation

   Odd item

   Distillation

4. Items

   1. Exothermic
   2. Entropy falls
   3. Surface only
   4. Endothermic

   Odd item

   Endothermic

Instructions

Tap the item that does not belong with the rest.

Explanation