# Physical Sciences Grade 10 P2 March Test 2019 Paper & Memo

> Grade 10 Physical Sciences Paper 2 question paper and memo from the March Test 2019, 10 pages. Read online or get the free PDF download.

- Page: https://www.hlayiso.com/library/phy-p2-march-qp-memo-2019-gr10/2ff54238-c7ca-410b-ade0-b2725440c9ca
- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 10
- Document type: Question paper and memo
- Year: 2019
- Exam period: March Test
- Paper: 2
- Curriculum: CAPS
- Pages: 10

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## About this document

Physical Sciences · Grade 10 · March Test · 2019. Question paper and memorandum, 10 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

Text extracted from the PDF. Layout, diagrams and tables may not survive extraction.

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INSTRUCTIONS AND INFORMATION

4, This question paper consists of FIVE questions. Answer ALL the questions in the
ANSWER BOOK.
2. Number the answers correctly according to the numbering system used in this

question paper.

QQ

Leave ONE line between two sub questions, for exarnple between QUESTION 2.4
and QUESTION 2.2.

4, You may use a non-programmable calculator.
6. You may use appropriate mathematical instruments.

6. YOU ARE ADVISED TO USE THE ATTACHED DATA SHEET.

7, Show ALL formulae and substitutions in ALL caiculations.
8. Round off your FINAL numerical answers to a minimum to TWO decimal places.
3. Give brief motivations, discussions, et cetera where required.

40. Write neatly and legibly.

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Marc. Bt Common Test

“hysical Sciences FZ

QUESTION 4: MULTIPLE. CHOICE

Four options are provided as possibie answers to the following questions. Each
question has only ONE correct answer. Write down only the letter (A — D) next to
the question number (1.1 — 1.3) in the answer book, for example 1.5 A.

1.1. Silicon is classified as a ...

A. Metal

B. Non-Metal

on Semi-metal

D. Heterogeneous mixture (2)

1.2 The tendency of an atom in a molecule to attract the bonding electrons is
known as the ...

A. Atomic radii

B. Electron affinity

on Electronegativity

D. lonization energy (2)

1.3. The valency of sulphur in the elemental form is ...

GOULD
amon

6 (2)
[6]

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QUESTION 2
2.1 Write down the definition of a hornogeneous mixiure. (2}
2.2 Study the following table and answer the questions that follow.
[A lror filings and sand 8
Mg D | AbOs
Water E Olt
Sodium sulphate
2.2.1 Identify the substance that is in the elementa! form in the table. (4)
2.2.2 Write down the name of substance B. (1)
2.2.3. What is the name of substance D. (1)
2.2.4 Write down the chemical formula for substance G. (2)
2.2.5 Name a suitable technique that can be used for the separation of
substance A into its components. (4)
Equal volumes of E and F are mixed together in a beaker.
2.2.6 \s this a homogeneous or heterogeneous mixture? Give a reason. (2)
2.2.7 Describe a simple method by which this mixture can be separated
into its components in the laboratory. Oo

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Physical Sciences P2                                     5                               March 2019 Common Test
                                                   NSC - Grade 10

QUESTION 3

Grade 10 learners conducted an experiment to determine the heating curve of a substance
under standard atmospheric pressure. The results obtained are shown in the graph below.

                           80

                         60
                     0
                     .Ee 40
                      �
                     - 20
                                                             /      .,
                                                      ,I
                       �    0
                       E             5   10   15    20       25   30     35    40 45
                                                                              rime in mins
                           -20
                                     V
                                 /
                           -40

3.1     State the definition of the freezing point of a substance.                                      (2)

3.2     Write down phases of the substance at point W.                                                  (2)

3.3     Complete the following statement using one of the following terms:

        GREATER THAN; LESS THAN or EQUAL TO. (Write down only the answer in
        your answer book.)

        "The average forces of attraction between the particles at point X
        are                   the average forces of attraction between the particles
        at point W"                                                                                     (1)

3.4     For the above experiment write down the controlled variable                                     (1)

3.5     Between time 7,5 and 15 minutes, the graph shows no change in temperature.
        Explain this observation.                                                                       (2)

3.6     Is the above substance water? Write only YES or NO.
        Give a reason                                                                                   (2)
                                                                                                        [10]

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NSC - Grade 10

Physical Sciences P2 6 March 2019 Common Test

QUESTION 4

41

4.1.1 State the definition of jonization energy.

4.1.2 Explain why ionization energy increases on going across a period.

4.2 For each of the following questions, choose from INCREASES; DECREASES or
REMAINS THE SAME.
4.2.1. How does the electronegativity of elements change on going across
a period?
4.2.2 How does the atomic radius of elements change on going down a
group?
43
4.3.1. How many neutrons are there in the atom ’Ca?
4.3.2 How many protons are there in the sodium ion, Na” ?
4.4. What is the name of the group in which sodium is found?
4.5 The following table shows the isotopes of carbon and their percentage
abundance.
Isotopes Percentage
Abundance
ce) 98,89%
8c 1,11%
If the atomic mass number of '7C is 12,011 g.mol" and the relative atomic
mass of carbon is 12,00 g.mol" calculate the atomic mass number of ‘°c.
4.6 Write down the electronic configuration (sp notation) for the chlorine atom.
QUESTION 5
5.1. Write down the definition of a covalent bond.
5.2 Draw Lewis structures for the following substances.
5.2.1 NH3
5.2.2 MgBr2
5.3 What is the name of the bond between the atoms of copper in a copper pipe?

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TABLE 3: THE PERIODIC TABLE OF ELEMENTS

5 6 7 8 9 0 11 #12 #13 #14 «+15 816 «617 © «(18
ay wv) (vil) (vil)

Atomic number 2
KEY/SLEUTEL Atoomgetal He

4
a 29 10
Electronegativity ® Cu Symbol

Elektronegatiwiteit_,| — 63,5 |¢—Simboo! Ne

18

Approximate relative atomic mass i 2 Ar
Benaderde relatiewe atoommassa 40

24[ 25] 26| 27] 28 36
= Crj/2Mn|2 Fe 2 Co|2 Ni x Kr
52| 55| 56| 59| 59 84
42| 43) 44! 45) 46 54
= Mo/? Tec 8 Ru/& Rh|& Pd Xe
96 101| 103/ 106 131
74| 75| 761 #771 ~78 86
W; Re;| Os] Ir; Pt i Rn
184/186

Zd SODUBINS jesIsAUd

59 60

Pr | Nd
144

91 92

Pa; U
238

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### Page 10

Physical Sciences

QUESTION 3

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3.1. The freezing point is the temperature at which a liquid changes to a solid (by

the removal of heat energy). ~
3.2 Liquid and gaseous phases. v ~
3.3 LESS THANY
3.4 Atmospheric pressure ¥

3.5 Attime 7,5 to 16 minutes

- Stage whereby a solid is converted to a liquid by adding energy (heat).

(2)
(2)
(1)

a

- Energy (heat) added is absorbed ~’by particles to increase vibrations / internal

energy of particies. “

(2)

3.6 No ¥,, the boiling point is not equal 100°C “or melting point is not equal ta 0°C. (2)

: QUESTION 4

4.1

4.1.1 The ionization energy is the energy needed to remove a mole of
electron(s) from a mole of gaseous atoms. “~~

[10]

(2)

4.1.2 The number of protons increases”, electrons are entering the same

energy levelv’, thus force of attraction between electrons and

the nucleus increases.

4.2
4.2.1 Increases ¥
4.2.2 Increases ¥
43
43.1 22”
432 11

44 Alkali metals ¥

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Mic x % abundance

March 2019 Common Test

M®cx % abundance

12,06

100%

12.011x 98.89%

100%

Mc x 1,11%

MB. =

4.6 — 18?2s?2p83s?3p5 vv

QUESTION 5

100%

41,999 (12) g.-mortv

100%

(3)

(2)
[15]

5.1 Covalent bond is defined as the sharing of electrons between atoms to form

molecules. “~

5.2
5.2.1

we

5.3 Metallic bond. ¥

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