# Physical Sciences Grade 10 P2 Gauteng November 2021 QP (Eng) > Grade 10 Physical Sciences Paper 2 question paper from the Gauteng November 2021 (English), 13 pages. Read online or download the free PDF. - Page: https://www.hlayiso.com/library/gr10-physical-sciences-p2-eng-nov-question-paper/d9c06390-23fe-44ad-a1b1-e69a1771ad0e - Updated: 2026-09-27 - Subject: Physical Sciences - Grade: Grade 10 - Document type: Question paper - Year: 2021 - Exam period: Gauteng November - Paper: 2 - Curriculum: CAPS - Pages: 13 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 10](https://www.hlayiso.com/library/grade-10) › [Physical Sciences](https://www.hlayiso.com/library/grade-10/physical-sciences) › [Physical Sciences Grade 10 P2 Gauteng November 2021 QP (Eng)](https://www.hlayiso.com/library/gr10-physical-sciences-p2-eng-nov-question-paper/d9c06390-23fe-44ad-a1b1-e69a1771ad0e) ## About this document Physical Sciences · Grade 10 · Gauteng November · 2021. Question paper, 13 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. ### Page 1 Downloaded from hlayiso.com GAUTENG DEPARTMENT OF EDUCATION PROVINCIAL EXAMINATION NOVEMBER 2021 GRADE 10 PHYSICAL SCIENCES (CHEMISTRY) (PAPER 2) TIME: 2 hours MARKS: 100 11 pages + 2 data sheets P.T.O. ### Page 2 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 2 (Paper 2) GRADE 10 INSTRUCTIONS AND INFORMATION 1. Write your name in the appropriate space on the ANSWER BOOK. 2. This question paper consists of SEVEN questions. Answer ALL the questions. 3. You may use a non-programmable calculator. 4. You may use appropriate mathematical instruments. 5. You are advised to use the attached DATA SHEETS. 6. Number the answers correctly according to the numbering system used in this question paper. 7. Write neatly and legibly. 8. Start EACH question on a NEW page in the ANSWER BOOK. 9. Leave ONE line between two sub-questions, for example between QUESTION 2.1 and QUESTION 2.2. 10. Show ALL formulae and substitutions in ALL calculations. 11. Round off your final numerical answers to a minimum of TWO decimal places, where needed. 12. Give brief motivations, discussions, et cetera, where required. P.T.O. ### Page 3 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 3 (Paper 2) GRADE 10 SECTION A QUESTION 1: MULTIPLE-CHOICE QUESTIONS 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 to 1.10) in the ANSWER BOOK. 1.1 The smallest particle to be found in sugar that still has the properties of sugar, is called a … A granule. B molecule. C atom. D electron. (2) 1.2 The particles of a solid … A move haphazardly. B do not move at all. C move over one another. D vibrate around fixed positions in the crystal. (2) 1.3 The process that takes place when a calcium atom reacts with an oxygen atom to form calcium oxide, is: A Four electrons (two from each atom) are shared between the atoms B Two electrons (one from each atom) are shared between the atoms C Two electrons from the calcium atom are transferred to the oxygen atom D Two electrons from the oxygen atom are transferred to the calcium atom (2) 1.4 This valency electron-configuration is possibly that of: (2) s2px2py1pz1 A Br B P C Si D S (2) P.T.O. ### Page 4 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 4 (Paper 2) GRADE 10 1.5 Elements T, X, Z and Y are respectively in group IA, IIA, VIA and VIIA of the periodic table of elements. A formula for the compound formed by two of these elements which is NOT CORRECT is: A TZ B XY2 C T2Z D TY (2) 1.6 At STP… I the molar volume of hydrogen is 22,4 dm3. II 22,4 dm3 of any gas consists of 6,02 x 1023 particles. III 22,4 dm3 of helium consists of 1 mol of atoms. Which of these statements are true? A only I B I and II only C II and III only D I, II and III (2) 1.7 Which graph represents atomic radius, R, versus atomic number, Z, for the elements of period 2? A B C D R R R R Z Z Z Z (2) 1.8 The energy released when an electron is added to an isolated neutral atom to form a negative ion, is called … A ionisation energy. B electronegativity. C lattice energy. D electron affinity. (2) P.T.O. ### Page 5 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 5 (Paper 2) GRADE 10 1.9 This balanced chemical equation represents the reaction between methane (CH4) and steam (H2O): CH4(g) + H2O(g) → CO(g) + 3H2(g) The volume of methane (in m3) needed to form 150 m3 of hydrogen at the same temperature and pressure is … A 25. B 50. C 75. D 150. (2) 1.10 The formula for Epsom Salt is MgSO4·7H2O. The mass (in gram) of Epsom Salt needed to prepare 1 dm 3 of solution with concentration 0,1 mol·dm-3 is … A 12. B 15. C 19,2. D 24,6. (2) [20] TOTAL SECTION A: 20 P.T.O. ### Page 6 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 6 (Paper 2) GRADE 10 SECTION B QUESTION 2 (Start on a new page.) To prepare oxygen, potassium chlorate can be heated in the presence of a suitable catalyst as shown below. A The equation for the reaction is: KCℓO3(s) → KCℓ(s) + O2(g) 2.1 Balance the equation. (1) 2.2 Give the empirical formula for potassium chlorate. (1) 2.3 What is the chemical name of the product ‘KCℓ’? (1) 2.4 Is potassium chlorate a pure or impure substance? Explain the answer. (2) 2.5 Draw the Aufbau diagram for an oxygen atom. (3) 2.6 Draw the Lewis diagram of an oxygen molecule. (2) 2.7 Name the apparatus labelled A. (1) [11] P.T.O. ### Page 7 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 7 (Paper 2) GRADE 10 QUESTION 3 (Start on a new page.) The heating curve shown in the figure is a plot of temperature vs. time. It represents the heating of what is initially ice, at –10 °C, at a constant rate of heat transfer. Temperature (°C) Time (minutes) 3.1 Write down the chemical formula of ice. (1) 3.2 What phase/s are present during interval A (0 – 5 min)? (1) 3.3 Define the phase change during interval B (5 – 20 min). (2) 3.4 Explain what is happening to the kinetic and potential energy during interval C (20 – 80 min). (2) 3.5 What is the significance of the temperature at 80 minutes? (1) 3.6 What would you expect to happen if the heating were continued after 100 minutes? (2) [9] P.T.O. ### Page 8 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 8 (Paper 2) GRADE 10 QUESTION 4 (Start on a new page.) Natural nitrogen (7 N) consists of two stable isotopes. The vast majority (99,6%) of naturally occurring nitrogen is nitrogen-14, with the remainder being nitrogen-15. 4.1 Define the term isotope. (2) 4.2 Write down the name of the particles that represent the 7 in natural nitrogen (7N) (1) 4.3 Calculate the relative atomic mass of nitrogen. (3) 4.4 Nitrogen is the nutrient that is most essential to plant growth. One such fertiliser contains ammonium phosphate, ((NH4)3PO4). Calculate the percentage of nitrogen in this fertiliser. (3) 4.5 The manufacturing process of fertilisers uses a compound containing 82,24% nitrogen and 17,76% hydrogen. Name this compound by using a calculation. (6) [15] P.T.O. ### Page 9 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 9 (Paper 2) GRADE 10 QUESTION 5 (Start on a new page.) Sodium chloride is prepared by reacting hydrochloric acid with sodium. A colourless, odourless and tasteless gas is produced. (The practical execution however is dangerous and hence not recommended.) The unbalanced chemical reaction is: Na + HCℓ → NaCℓ + H2 … Reaction A When sodium chloride dissolves in water, the sodium chloride dissociates into ions. The equation representing this reaction is: H2 O NaCℓ(s) → Na+(aq) + Cℓ-(aq) … Reaction B 5.1 Give one use of sodium chloride. (1) 5.2 What is a positive test for the gas that is produced? (2) 5.3 Give one reason why this practical execution is dangerous. (1) 5.4 Balance reaction A. (1) 5.5 Identify the reaction that represents: 5.5.1 Physical change (1) 5.5.2 Chemical change (1) 5.6 25 g sodium chloride is dissolved in 250 ml water. Calculate the concentration of the solution. (4) [11] P.T.O. ### Page 10 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 10 (Paper 2) GRADE 10 QUESTION 6 (Start on a new page.) Aluminium reacts with iodine in the presence of a catalyst to produce a metal halide. The balanced chemical reaction is: water 2Aℓ + 3I2 → 2AℓI3 6.1 Name the type of chemical bonding found in each of the following substances. Choose from covalent, ionic or metallic bonds. 6.1.1 Aluminium (1) 6.1.2 Iodine (1) 6.1.3 Water (1) 6.1.4 Aluminium iodide (1) 6.2 Define the term mole. (2) 6.3 317,5 g iodine reacts completely during the reaction. Calculate the number of: 6.3.1 Moles iodine reacting (3) 6.3.2 Aluminium atoms that are used to produce aluminium iodide (3) 6.4 Calculate the mass of aluminium required to yield 20,4 g of aluminium iodide. (6) [18] P.T.O. ### Page 11 Downloaded from hlayiso.com QUESTION 7 (Start on a new page.) The periodic table is a tabular display of the chemical elements. The structure of the table shows periodic trends. 7.1 Define the term atomic number of an element. (2) 7.2 Where would you find the non-metals on the periodic table? (2) 7.3 Give ONE word for the following sentence: An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. (1) 7.4 What is the name of Group 2 elements? (1) 7.5 How many valency electrons do elements have in Group 2? (1) 7.6 Write down the name of the element in Group 2 and Period 3. (1) 7.7 7.7.1 Define the term ionisation energy. (2) 7.7.2 Compare the first ionisation energy of elements in Group 2. (2) 7.7.3 Explain why the first ionisation energy of sulphur is less than that of phosphorous. (4) [16] TOTAL SECTION B: 80 TOTAL: 100 END ### Page 12 Downloaded from hlayiso.com DATA FOR PHYSICAL SCIENCES GRADE 10 PAPER 2 (CHEMISTRY) GEGEWENS VIR FISIESE WETENSKAPPE GRAAD 10 VRAESTEL 2 (CHEMIE) TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES NAME/NAAM SYMBOU/SIMBOOL | VALUE/WAARDE ‘ave gaho toneante Na 6,02 x 10 mor" nai op ciektion e A6x 10°C Beams m. 911x103" kg TABLE 2: FORMULAE/TABEL 2: FORMULES cut Vv m v N n=_— or/of n=—- n=—— M Vin A cm MV. ### Page 13 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) 13 (Paper 2) GRADE 10 TABLE 3: THE PERIODIC TABLE OF ELEMENTS/TABEL 3: DIE PERIODIEKE TABEL VAN ELEMENTE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 (I) (II) (III) (IV) (V) (VI) (VII) (VIII) 1 Atomic number 2 KEY/SLEUTEL Atoomgetal 2,1 H He 1 4 3 4 29 5 6 7 8 9 10 Electronegativity Symbol 1,0 Li 1,5 Be Elektronegatiwiteit 1,9 Cu Simbool 2,0 B 2,5 C 3,0 N 3,5 O 4,0 F Ne 7 9 63,5 11 12 14 16 19 20 11 12 13 14 15 16 17 18 0,9 Na 1,2 Mg Approximate relative atomic mass 1,5 Aℓ 1,8 Si 2,1 P 2,5 S 3,0 Cℓ Ar 23 24 Benaderde relatiewe atoommassa 27 28 31 32 35,5 40 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 0,8 K 1,0 Ca 1,3 Sc 1,5 Ti 1,6 V 1,6 Cr 1,5 Mn Fe 1,8 1,8 Co 1,8 Ni 1,9 Cu 1,6 Zn 1,6 Ga 1,8 Ge 2,0 As 2,4 Se 2,8 Br Kr 39 40 45 48 51 52 55 56 59 59 63,5 65 70 73 75 79 80 84 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 0,8 Rb 1,0 Sr 1,2 Y 1,4 Zr Nb 1,8 Mo Tc 1,9 2,2 Ru 2,2 Rh 2,2 Pd 1,9 Ag 1,7 Cd 1,7 In 1,8 Sn 1,9 Sb 2,1 Te 2,5 I Xe 86 88 89 91 92 96 101 103 106 108 112 115 119 122 128 127 131 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 0,7 Cs 0,9 Ba La 1,6 Hf Ta W Re Os Ir Pt Au Hg 1,8 Tℓ 1,8 Pb 1,9 Bi 2,0 Po 2,5 At Rn 133 137 139 179 181 184 186 190 192 195 197 201 204 207 209 87 88 89 0,7 Fr 0,9 Ra Ac 58 59 60 61 62 63 64 65 66 67 68 69 70 71 226 Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 140 141 144 150 152 157 159 163 165 167 169 173 175 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr 232 238 ## Related documents - [Gr10 Physical Sciences P2 (AFR) NOV Question Paper](https://www.hlayiso.com/library/gr10-physical-sciences-p2-afr-nov-question-paper/18669de7-8fad-4d0f-abc7-f38dbd154c7a) — Physical Sciences · QP · 2021 · Afr - [Gr10 Physical Sciences P2 (ENG) NOV Question Paper](https://www.hlayiso.com/library/gr10-physical-sciences-p2-eng-nov-question-paper/866b5d54-d5db-45d4-bcb1-0ef91e523489) — Physical Sciences · QP · 2021 · Eng - [Gr10 Physical Sciences P2 (AFR) NOV Question Paper](https://www.hlayiso.com/library/gr10-physical-sciences-p2-afr-nov-question-paper/f036bf65-82fd-4227-8b85-ccdcee068e41) — Physical Sciences · QP · 2021 · Afr - [Gr 10 Physical Sciences P2 (Afrikaans) November 2022 Question Paper](https://www.hlayiso.com/library/gr-10-physical-sciences-p2-afrikaans-november-2022-question-paper/8962070c-37b0-4d17-8b1e-63a5d417bec3) — Physical Sciences · QP · 2022 · Afr - [Gr10 Phy P2 (Afrikaans) 2020 Exemplars Question Paper](https://www.hlayiso.com/library/gr10-phy-p2-afrikaans-2020-exemplars-question-paper/8980388b-75ba-4481-8d07-3d437736ed84) — Physical Sciences · QP · 2020 · Afr - [Gr10 Phy P2 (English) 2020 Exemplars Question Paper](https://www.hlayiso.com/library/gr10-phy-p2-english-2020-exemplars-question-paper/b73f7863-1dbd-4b9b-93ec-9ca726a859a8) — Physical Sciences · QP · 2020 · Eng ## More from Grade 10 Physical Sciences - [Gr 10 Phys Sci ATP 2023-24](https://www.hlayiso.com/library/gr-10-phys-sci-atp-2023-24/f162614c-9eea-46bf-b61a-5a5dc6360c7b) — ATP - [EC AW Physical Sciences Grade 10 June 2025 QP and Memo](https://www.hlayiso.com/library/ec-aw-physical-sciences-grade-10-june-2025-qp-and-memo/55c5e457-737d-42d8-a3e9-d141082f89d3) — QP + Memo · 2025 - [FS Physical Sciences Grade10 June 2025 QP and Memo](https://www.hlayiso.com/library/fs-physical-sciences-grade10-june-2025-qp-and-memo/4bbbc06c-f9d3-4d47-9bd5-7421512cd012) — QP + Memo · 2025 - [KZN Physical Sciences Grade 10 November 2025 P1 and Memo](https://www.hlayiso.com/library/kzn-physical-sciences-grade-10-november-2025-p1-and-memo/c5bea2ed-3318-4f7d-b1f6-2ac68a9d3399) — QP + Memo · 2025 - [LP Physical Sciences Grade 10 March 2025 QP and Memo](https://www.hlayiso.com/library/lp-physical-sciences-grade-10-march-2025-qp-and-memo/5aedbc3d-3f59-4693-b4ab-7c19bfd618f5) — QP + Memo · 2025 - [MP Physical Sciences Grade 10 June 2025 P1 and Memo](https://www.hlayiso.com/library/mp-physical-sciences-grade-10-june-2025-p1-and-memo/59cc2c0b-5fa8-4714-9e0d-b786ead5f8d0) — QP + Memo · 2025 ## Collection - [Grade 10 past papers](https://www.hlayiso.com/grade-10/past-papers) --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. 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