Oxidation & Reduction in Terms of Electrons (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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12 questions from this quiz
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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, if one substance is oxidised, what happens to another substance?
In a redox reaction, if one substance is oxidised, what happens to another substance?
It must be reduced
In , what happens to sodium?
In , what happens to sodium?
It is oxidised
In , what happens to chlorine?
In , what happens to chlorine?
It is reduced
What is the oxidation state of sodium before reacting with chlorine?
What is the oxidation state of sodium before reacting with chlorine?
What is the oxidation state of sodium in ?
What is the oxidation state of sodium in ?
What is the oxidation state of chlorine in ?
What is the oxidation state of chlorine in ?
How can you identify if a redox reaction has occurred?
How can you identify if a redox reaction has occurred?
If oxidation state changes
Which process is an example where understanding redox is essential?
Which process is an example where understanding redox is essential?
Corrosion