What is a nitrate?
It is much cheaper than a day rate.
What is a vacuum?
Something my mum says I should use more often.
What is the meaning of the term "activation energy"?
It's what you need to get up in the morning.
What is the process where steam turns into water?
Give a brief explanation of the term "hard water"
Excerpts from F in Exams: The Best Test Paper Blunders, published by Summersdale. www.summersdale.com
Email firstname.lastname@example.org with suggestions for this column.