A list of four substances is given. 1 carbohydrate 2 ethanol 3 protein 4 sodium chloride Which of these substances are natural polymers?
- A1 and 2
- B1 and 3
- C2 and 4
- D3 and 4
Chemistry 0620 · IGCSE · Polymers
A list of four substances is given. 1 carbohydrate 2 ethanol 3 protein 4 sodium chloride Which of these substances are natural polymers?