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Reactions Of Alkenes (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Reactions Of Alkenes' from the broader topic Organic Chemistry. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Why does hydrogenation of vegetable oil (unsaturated fats containing C=C) increase the melting point of the product?
An alkene can be identified by which simple chemical test?
What is the test result when an alkene is shaken with orange bromine water?
Why do alkenes undergo addition reactions more readily than alkanes?
Which product results from the electrophilic addition of HBr to propene (major product)?
Why does cold, dilute permanganate decolourise from purple to brown/colourless when added to an alkene solution?
Which of these is a typical use of polyethylene produced from ethene?
Which statement about addition polymers is correct?
Which product forms when propene reacts with cold, dilute KMnO4 followed by acid work-up (mild oxidation)?
How does hydrogenation of vegetable oils affect their physical state at room temperature?
Which of the following is the correct general equation for an electrophilic addition reaction of an alkene?