Physical Science Multiple Choice Quiz Worksheet Page 10
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2.
Household waste of three households, A, B and C, was collected and analysed
over one week. The total mass of waste and the mass of each component of the
waste was determined. The percentage of each component was calculated and
recorded in the table.
percentage of component in the total mass of waste
Household Total mass/ paper
metal
plastic
glass
food
other
kg
waste
A
9
34
22
5
6
22
11
B
10
5
50
10
15
15
5
C
25
0
5
10
(b)(iii)
60
5
(a) (i)
Suggest a reason why the waste of the three households was
collected over the same period.
[2]
(ii)
Suggest how the waste was separated into the listed components.
[1]
(b) (i)
Identify from the table the household with the largest amount of
waste.
[1]
(ii)
Select the main component in the waste of household B.
[2]
(iii) Find the percentage glass is contributing to the waste of household C.
[2]
(c) Polythene is a synthetic polymer and a type of plastic material.
(i)
Explain the meaning of synthetic.
[1]
(ii)
State, with a reason, the use of polythene.
[2]
[11]
JSC 2007, Physical Science
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