UJIAN PRAKEMASUKAN PELAJAR-PELAJAR TINGKATAN 1 (2011) PENANG FREE SCHOOL SECTION A 1.A ship can float in the sea because I its internal part is hollow II it is overall less dense than seawater III it is made from material less dense than seawater A I only BI and II only √C II and III only D I, II, and III 2. The diagram above shows a model of a ventilation system of a house. R and S represent two openings in the house. What must be done to make the temperature in the house to drop to its lowest level? Opening ROpening RA Close Close B Close Open C Open Close √D Open Open HSP YEAR 5 3. When 50 ml of water and 50 ml of alcohol are mixed toge ther, the total volume of the mixture is less than 100 ml. This is because A the mixture of water and alcohol forms a smaller compound. B the water molecules are larger than alcohol molecules. C there are space between water molecules and alcohol molecules. D The water reacts with alcohol.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
III it is made from material less dense than seawater
A I only
B I and II only √
C II and III only
D I, II, and III
2.
The diagram above shows a model of a ventilation system of a house. R and S represent twoopenings in the house. What must be done to make the temperature in the house to drop to its
lowest level?
Opening R Opening R
A Close Close
B Close Open
C Open Close
√ D Open Open
HSP YEAR 5
3. When 50 ml of water and 50 ml of alcohol are mixed together, the total volume of the
mixture is less than 100 ml. This is because
A the mixture of water and alcohol forms a smaller compound.
B the water molecules are larger than alcohol molecules. C there are space between water molecules and alcohol molecules.