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How do i tell if a substance has been Oxidised or Reduced?

We know from GCSE that Gaining of electrons is reduction; and Loss of electrons is oxidation. This can be remembered by the pneumonic: 'OIL RIG' :Oxidation Is Loss Reduction Is Gain.

At A-level it ...

Answered by Dominic K. • Chemistry tutor

10010 Views

To what extent is Frankenstein by Mary Shelley a condemnation of transgression?

Frankenstein was written during the popularisation of Renaissance Humanism: a social movement in Europe that celebrated the power of man and moved away from religious beliefs. Shelley uses the character V...

Answered by Rebecca W. • English Literature tutor

15055 Views

Explain the key features of the liberal approach to global politics. (15 Marks)

The liberal approach to global politics involves a belief in cooperation between nation-states in order to achieve mutually beneficial outcomes. In contrast to realist and neo-realist theory, liberal theo...

Answered by Haydon E. • Government and Politics tutor

21331 Views

what is the difference between mitosis and meiosis

Both are cell divisions. Mitosis produces two identical daughter cells where the number of chromosomes is the same as the parent cell. These are used for growth, repair, asexual reproduction. Meiosis prod...

Answered by Jack S. • Biology tutor

3091 Views