Ammonia Acid Worksheet With Answers Page 27
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49(ii)
Put a tick ( ) next to the two reasons why an increase in temperature affects the
rate of reaction.
Reason
( )
It gives the particles more energy.
It increases the concentration of the particles.
It increases the surface area of the particles.
It makes the particles move faster.
(2)
(Total 6 marks)
Q22.
A student heated some hydrated copper sulfate crystals.
The equation for this reaction is shown below.
CuSO
.5H
O(s)
CuSO (s)
+
5H O(1)
4
2
4
2
hydrated copper sulfate crystals
anhydrous copper sulfate
water
The diagram shows the apparatus used.
(a)
Name liquid A ......................................................................
(1)
(b)
What helped the vapour to condense into liquid A?
.....................................................................................................................................
.....................................................................................................................................
(1)
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