Reactivity of Metals (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
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 is reduced
In the reaction , what is sodium's oxidation state change?
In the reaction , what is sodium's oxidation state change?
0 to +1
In the reaction , what is chlorine's oxidation state change?
In the reaction , what is chlorine's oxidation state change?
0 to -1
What process does sodium undergo in the reaction ?
What process does sodium undergo in the reaction ?
Oxidation
What process does chlorine undergo in the reaction ?
What process does chlorine undergo in the reaction ?
Reduction
How can you identify if a redox reaction has occurred?
How can you identify if a redox reaction has occurred?
Change in oxidation state of elements
What does the oxidation state of an atom represent?
What does the oxidation state of an atom represent?
Total electrons gained or lost
Which processes involve redox reactions?
Which processes involve redox reactions?
Corrosion, metal extraction, combustion