Which one does not belong?

Exercise and reference answers

Questions

1. Items

   1. Temperature
   2. Colour of flask
   3. Concentration
   4. Catalyst

   Odd item

   Colour of flask

2. Items

   1. Grind the solid
   2. Heat the mixture
   3. Cool the mixture
   4. Add a catalyst

   Odd item

   Cool the mixture

3. Items

   1. Unimolecular
   2. Bimolecular
   3. Termolecular
   4. Quadmolecular

   Odd item

   Quadmolecular

4. Items

   1. Is used up
   2. Lowers Ea
   3. Is regenerated
   4. Speeds both ways

   Odd item

   Is used up

Instructions

Tap the odd item out in each row.

Explanation