1a1 mark
A liquid alkane was passed over heated aluminium oxide to make ethene.
What is the purpose of the mineral wool?
1b1 mark
What is this type of chemical reaction called?
1c2 marks
Give a test for ethene.
test .....................................................................................
result ..................................................................................
1d2 marks
What precaution should be taken in the experiment when the heat is removed? Explain.
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