Oxidation & Reduction in Terms of Electrons (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is oxidation in terms of electrons?
What is oxidation in terms of electrons?
Loss of electrons
What is reduction in terms of electrons?
What is reduction in terms of electrons?
Gain of electrons
What happens to the oxidation state when a substance is oxidised?
What happens to the oxidation state when a substance is oxidised?
It increases
What happens to the oxidation state when a substance is reduced?
What happens to the oxidation state when a substance is reduced?
It decreases
In a redox reaction, when does oxidation occur?
In a redox reaction, when does oxidation occur?
Always with reduction
In , what process does sodium undergo?
In , what process does sodium undergo?
Oxidation
In , what process does chlorine undergo?
In , what process does chlorine undergo?
Reduction
What is sodium's oxidation state change in ?
What is sodium's oxidation state change in ?
0 to +1
What is chlorine's oxidation state change in ?
What is chlorine's oxidation state change in ?
0 to -1
How can you identify if a reaction is a redox process?
How can you identify if a reaction is a redox process?
Check for oxidation state changes
What does an oxidation state represent?
What does an oxidation state represent?
Total electrons gained or lost
Which processes involve redox reactions?
Which processes involve redox reactions?
Corrosion and metal extraction