Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Nylon 6,6
   2. Proteins
   3. Cellulose
   4. Starch

   Odd item

   Nylon 6,6

2. Items

   1. Polythene
   2. Teflon
   3. Orlon
   4. Nylon 6,6

   Odd item

   Nylon 6,6

3. Items

   1. Plastics
   2. Elastomers
   3. Fibres
   4. Metals

   Odd item

   Metals

4. Items

   1. Copolymer
   2. Two monomers
   3. Buna-S
   4. Polythene

   Odd item

   Polythene

Instructions

Tap the item that does not belong with the rest.

Explanation