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 a reaction causes the surroundings to reduce temperature, what is it classified as?

Why do reactions occur faster at higher temperature?

What do you call reactions which absorb heat?

What is a common indicator of an exothermic reaction?

What is the solid left called when hydrated copper sulfate is heated?

What colour is anhydrous copper sulfate?

What determines how fast a chemical reaction happens?

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

Why would blue copper sulfate turn white upon heating?

What is the effect on reaction rate if temperature increases?

What energy change occurs in an exothermic reaction?

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