2019 GAU PhySci GR 10 Jun Exam P2 Eng
2019 GAU PhySci GR 10 Jun Exam P2 Eng
2019 GAU PhySci GR 10 Jun Exam P2 Eng
PROVINCIAL EXAMINATION
JUNE 2019
GRADE 10
PHYSICAL SCIENCES
PAPER 2
MARKS: 100
P.T.O.
PHYSICAL SCIENCES GRADE 10 2
PAPER 2
PROVINCIAL EXAMINATION
PHYSICAL SCIENCES
(Paper 2)
MARKS: 100
INSTRUCTIONS
2. This question paper consists of EIGHT questions. Answer ALL the questions.
3. Remove the graph paper from the back of this paper and hand it in with your ANSWER
BOOK.
7. Number the answers correctly according to the numbering system used in this question
paper.
10. Leave ONE line between two sub-questions, for example between QUESTION 2.1 and
QUESTION 2.2.
12. Round off your FINAL numerical answers to a minimum of TWO decimal places where
needed.
P.T.O
PHYSICAL SCIENCES GRADE 10 3
PAPER 2
SECTION A
Four options are provided as possible answers to the following questions. Each question
has only ONE correct answer. Write only the letter (A – D) next to the question number
(1.1 – 1.10) in the ANSWER BOOK.
1.1 A mixture that is uniform and where the different components of the mixture
cannot be seen is a ...
A heterogeneous mixture.
B homogeneous mixture.
C mixture of pure substances.
D both heterogeneous and homogeneous. (2)
1.2 The process whereby a solid substance changes directly to the gaseous phase
is known as …
A evaporation.
B condensation.
C sublimation.
D melting. (2)
A Iron
B Sugar
C Steel
D Graphite (2)
A 40.
B 14.
C 27.
D 13. (2)
P.T.O
PHYSICAL SCIENCES GRADE 10 4
PAPER 2
1.6 In which period of the periodic table will you find nitrogen?
A 15
B 5
C 7
D 2 (2)
1.7 Which ONE of the following equations represents when the first ionisation energy
of sodium will be released?
1.8 Which ONE of the following represents the sp-notation of a sulphur ion?
A 1s22s22p63p6
B 1s22s22p63s23p4
C 1s22s22p63s23p6
D 1s22s22p63s23p3 (2)
A KMnO4
B KMnO2
C CaMnO4
D PMnO4 (2)
P.T.O
PHYSICAL SCIENCES GRADE 10 5
PAPER 2
SECTION B
QUESTION 2
2.3 The grade 10 learners perform an experiment to separate a mixture of sand and
sugar. The experiment is done in three steps as shown in the diagrams below.
●
●
(2)
2.3.1 Write down the name of …
P.T.O
PHYSICAL SCIENCES GRADE 10 6
PAPER 2
QUESTION 3
Learners investigated the effect of increasing temperature on ice cubes. They recorded
the time and temperature of the ice cubes during the experiment in the table below.
Time (min) 0 3 6 9 12 15 18 21 24 27 30 33 36
Temperature -10 -5 -1 0 0 16,5 28 38 38 55 75 75 75
(0C)
3.2 Study the data in the table and write down the following:
3.3 Use the information in the table above to draw a graph for temperature versus
time. Make use of the graph paper provided. (5)
3.4 Explain why the temperature remains constant from 30 to 36 minutes despite the
continued heating. (2)
[11]
QUESTION 4
4.2 Use a suitable calculation to determine the relative atomic mass of Bromine, when
a sample consists of 50,69 % 79Br AND 49,31 % 81Br. (4)
4.3 Complete the following table by writing down only the number, e.g. 4.3.1 and the
correct answer in your ANSWER BOOK, e.g. 4.3.7 isotopes.
P.T.O
PHYSICAL SCIENCES GRADE 10 7
PAPER 2
QUESTION 5
5.1 The QUESTIONs below are based on the Aufbau diagram of a certain element
represented below.
3p
3s
2p
2s
1s
5.1.2 How many valence electron(s) are there in this element? (1)
5.1.3 Write down the sp-notation of the element represented above. (2)
5.1.4 Write down the name and symbol of the element represented above. (2)
QUESTION 6
6.1 Write down a balanced equation for the reaction between sulphur and oxygen. (3)
P.T.O
PHYSICAL SCIENCES GRADE 10 8
PAPER 2
QUESTION 7
7.1.3 F- (1)
P.T.O
PHYSICAL SCIENCES GRADE 10 9
PAPER 2
QUESTION 8
8.2 Study the table of the first and second ionisation energies of the elements
indicated and answer the QUESTIONs that follow:
Na 496 4562
Mg 738 1451
S 1000 2251
Cℓ 1255 2297
8.2.1 How does the ionisation energy change in a period of the Periodic Table
when moving from left to right? (2)
8.2.3 Explain why the second ionisation of sodium is higher than its first
ionisation energy. (2)
8.2.4 If the atomic radius of an element increases, how will this influence the
value of the ionisation energy? Write only INCREASES, DECREASES or
HAS NO INFLUENCE. (1)
[9]
TOTAL SECTION B: 80
P.T.O
PHYSICAL SCIENCES GRADE 10 10
PAPER 2
P.T.O
PHYSICAL SCIENCES GRADE 10 11
PAPER 2
P.T.O
PHYSICAL SCIENCES GRADE 10 12
PAPER 2
QUESTION 3.3
NAME: CLASS:
END