Science Entry Examination Worksheet With Answers - Whitgift School Page 33
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50Whitgift School
M1. (a)
any one from
•
zinc displaces copper from the copper sulphate
•
zinc changes places with copper
accept ‘copper is displaced by the zinc’
accept ‘the more reactive metal displaces
or takes the place of the other one’
accept ‘zinc takes the sulphate’
1 (L6)
(b)
•
he only needed to find out the temperature rise or change
1 (L7)
(c)
(i)
any one from
•
magnesium is the most reactive metal used
•
the biggest difference in reactivity is between magnesium
and copper
accept ‘magnesium is above the others’
accept ‘magnesium is more reactive than iron and zinc’
1 (L7)
(ii)
any one from
•
the reactivity is nearly the same
•
they are next to each other in the reactivity series
accept ‘zinc is slightly more reactive than iron’
‘zinc is more reactive than iron’ is insufficient
1 (L7)
(iii)
•
Would there be a
mixture
rise in temperature?
aluminium +
no
sodium chloride
calcium +
yes
zinc sulphate
lead +
no
zinc chloride
magnesium +
yes
iron chloride
Whitgift School
| 13+ Science Examination - Sample Paper
33
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education