Hydrogen peroxide decomposes to form water and oxygen - Edexcel - GCSE Chemistry - Question 3 - 2018 - Paper 1
Question 3
Hydrogen peroxide decomposes to form water and oxygen.
The rate of this reaction can be found by measuring the volume of oxygen formed after different time interval... show full transcript
Worked Solution & Example Answer:Hydrogen peroxide decomposes to form water and oxygen - Edexcel - GCSE Chemistry - Question 3 - 2018 - Paper 1
Step 1
State the name of the piece of apparatus labelled Z in Figure 5.
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Answer
The piece of apparatus labelled Z in Figure 5 is a gas syringe.
Step 2
At the end of the reaction the bung is removed from the conical flask.
A glowing splint is put into the gas in the flask.
State what you would see.
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Answer
You would see the glowing splint reignite, indicating the presence of oxygen gas.
