Chemistry · Oct / Nov 2021 · Paper 11 · Question 19

Which statements about oxidation and reduction are correct? 1 Reduction can involve the loss of oxygen. 2 Oxidation can involve the loss of hydrogen. 3 Reduction can involve the loss of electrons.

1. A1 and 2 only
2. B1 and 3 only
3. C2 and 3 only
4. D1, 2 and 3

As printed in the paper