Edexcel Gcse Chemistry/additional Science - Unit C2: Discovering Chemistry Page 4
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(ii) When this change takes place there is a
decrease in temperature.
Describe how you could measure this change
in temperature. (2 marks)
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(iii) Some chemical reactions cause a decrease in
temperature.
Give the name of the type of chemical reaction
that causes a decrease in temperature.
(1 mark)
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