Page 48 - Ranger SPM 2022 - Science

Science SPM SPM Model Paper
32. Which of the following shows an A The tail of the soap molecule
example of a fast reaction? B Known to be hydrophobic
A Combustion of magnesium ribbon C Can dissolve in water
in oxygen D Can dissolve in grease or oil
B The process of photosynthesis
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C Precipitation of sulphur 35. Figure 18 shows the arrangement
D Rusting of iron of the apparatus for electrolysis of
substance X.
33. Figure 16 shows the carbon cycle.

Carbon
dioxide

P Substance X

Plants

Q
Figure 18
Animals What is substance X?
Figure 16 A Naphthalene
B Copper(II) sulphate
What are processes P and Q? C Acetamide
D Ethanol
P Q
36. Figure 19 shows a chemical cell after
A Excretion Respiration 2 hours.

B Photosynthesis Excretion V

C Respiration Photosynthesis
Metal X Metal Y
D Photosynthesis Respiration

34. Figure 17 shows the molecular
structure of soap.
Figure 19
X Which of the following statement is
correct?
123
A The voltmeter needle does not
deflect.
B Metal X is a positive terminal.
C Electron flows from metal X to
Figure 17
metal Y.
Which of the following is correct about D The position of metal Y is higher
X? than metal X in the electrochemical
series.

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SPM Model Paper .indd 331 3/21/22 4:04 PM