3.x Key Chemical Reactions (GCSE Chemistry)

The following is a GCSE Chemistry test covering '3.x Key Chemical Reactions'

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Question 1

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If an exothermic reaction takes place, what happens to the temperature of surroundings?

What happens when water is added to anhydrous copper sulfate?

What do you call reactions which absorb heat?

What energy change occurs in an exothermic reaction?

What colour is anhydrous copper sulfate?

What happens to hydrated substances when heated strongly?

Why do reactions occur faster at higher temperature?

What does exothermic mean?

What is the effect on reaction rate if temperature increases?

When copper sulfate turns blue from white, it is due to what?

Why would blue copper sulfate turn white upon heating?

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