# Physical Sciences Grade 12 Paper 2 Gauteng Mock 2021 Memo

> Grade 12 Physical Sciences Paper 2 memorandum from the Gauteng Mock Exam 2021, 2 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/gr12-physical-sciences-p2-2021-preparatory-possible-answers-errata/be1948af-b77a-4088-a930-f8d512e0d9e6
- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 12
- Document type: Memorandum
- Year: 2021
- Exam period: Gauteng Mock Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 2

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## About this document

Physical Sciences · Grade 12 · Gauteng Mock Exam · 2021. Memorandum, 2 pages. Read online or download the PDF.

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## Document text

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### Page 1

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                                            ERRATA/ERRATUM
                 NSC EXAMINATIONS: Preparatory Examinations 2021
                   NSS-EKSAMEN: Voorbereidende Eksamen 2021
________________________________________________________________________________________________________

SUBJECT/VAK:                                  PHYSICAL SCIENCES/FISIESE WETENSKAPPE
PAPER/VRAESTEL:                               2
DATE OF EXAMINATION:                          Monday 20 September 2021
DATUM VAN EKSAMEN:                            Maandag 20 September 2021
SESSION/SESSIE:                               1 (09:00–12:00)
________________________________________________________________________________________________________________________

ATTENTION/AANDAG:                   ALL MARKERS/ALLE NASIENERS

QUESTION 1/VRAAG 1

1.10        D                                                                                                            (2)

QUESTION 10/VRAAG 10
10.1        A substance that loses electrons. 
            ’n Stof wat elektrone verloor.                                                                                 (2)

10.2
10.2.1     Cr/chromium/chroom                                                                                             (1)

10.2.2     2Cℓ(aq)  Cℓ 2(g) + 2e- 
           Ignore phases/Ignoreer fases
           Marking guidelines/Nasienriglyne
             Cℓ 2(g) + 2e- ← 2Cℓ(aq) ( 2 2 )           2Cℓ(aq) ⇌ Cℓ 2(g) + 2e- ( 1 )
                                                                                     2
                                          0                                       0
              Cℓ 2(g) + 2e ⇌ 2Cℓ (aq)
                          -
                                         (     )         2Cℓ (aq) ← Cℓ 2(g) + 2e (
                                                                                 -
                                                                                        )
                                             2                                        2
            Ignore if charge omitted on electron./Ignoreer indien lading weggelaat op
              elektron.
            If charge (-) omitted on Cℓ /Indien lading (-) weggelaat op Cℓ:
              Example/Voorbeeld: 2Cℓ(aq)  Cℓ 2(g) + 2e-                Max./Maks: 1
                                                                                        2                                  (2)

10.2.3     - 0,41 V                                                                                                       (1)

### Page 2

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10.3
10.3.1   No/Nee                          -                                              (1)
10.3.2   Zn is a stronger reducing agent  than Cu  and will be oxidised to (Zn2+). 
         Zn is 'n sterker reduseermiddel as Cu en sal geoksideer word na Zn2+.

         OR/OF                         -
         Cu is a weaker reducing agent  than Zn and therefore Zn will be oxidised
          (to Zn2+).
         Cu is ’n swakker reduseermiddel as Zn en daarom sal Zn geoksideer word na
         (Zn2+).

         OR/OF                              -
         Cu2+ is a stronger oxidising agent  than Zn2+ and therefore Cu2+ will be
         reduced  (to Cu).
         Cu2+ is ’n sterker oksideermiddel as Zn2+ en daarom sal Cu2+ gereduseer
         word (na Cu).

         OR/OF
                                              -
         Zn2+ is a weaker oxidising agent  than Cu2+ and therefore Cu2+ will be
         reduced  (to Cu).
         Zn2+ is ’n sterker oksideermiddel as Cu2+ en daarom sal Cu2+ gereduseer
         word (na Cu).
                                                                                         (3)
                                                                                         [10]

MRS PE OGUNBANJO
Director: Examinations and Assessment
Date: 21/09/2021

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