Physical Sciences Grade 10 Eastern Cape June 2025 QP & Memo

Testpapers.co.za Province of the EASTERN CAPE DEPARTMENT OF EDUCATION AMATHOLE WEST DISTRICT MARKS: 100 TIME: 2 HOURS THIS QUESTION PAPER CONSISTS OF TEN PAGES INCLUDING THE COVER PAGE.

8. 9. 10. Write neatly and legibly Testpapers.co.za AMWED/JUNE 2025 INSTRUCTIONS AND INFORMATION This question paper consists of SEVEN questions. Answer ALL the questions in the ANSWER BOOK. Start EACH question on a NEW page in the ANSWER BOOK. Number the answers correctly according to the numbering system used in this question paper. Leave ONE line between two sub questions, for example between QUESTION 2.1 and QUESTION 2.2. You may use a non-programmable calculator. You are advised to use the attached) DATA SHEETS. Show ALL formulae and substitutions LL calculations. Round off your FINAL answers 2 minimum of TWO decimal places. Give brief motivations, discussio k, et cetera where required. Copyright reserved 1 Please turn over

Testpapers.co.za AMWED/JUNE 2025 QUESTION 1 Various options are provided as possible answers to the following questions. Each question has only ONE correct answer. Choose the answer and write only the letter (A — D) next to the question number (1.1 — 1.7). For example: 1.11 B 1.1 ~A battery is marked 19V. Which one of the following is the correct meaning of 19V? A. This means that 19 charges pass the battery. B. This means that 19 J of electrical work is done per coulomb of charge. C. This means that 19 C of charge passes the battery each second. D. This means that 19J,ofelectrical energy is converted to light and heat. (2) 1.2. The chemical formula for copper(II) sulphate is: A. CoSO, ~ B. Co2SO4 ' C. CuSO4 ile id D. Cu2SO4 (2) 1.3. Temperature is defined as a measure of the .................00008 of the particles of a substance. A. Kinetic energy B. Average kinetic energy C. Potential energy D. Internal energy (2) 1.4 A neutral atom of an element has an electron configuration of 1s?2s?2p*. In which group and period of the periodic table is this element located? A. Group 2 (II), Period 4 B. Group 14 (IV), Period 2 C. Group 16 (VI), Period 2 D. Group 17 (VID), Period 4 (2) Copyright reserved 2 Please turn over

Testpapers.co.za AMWED/JUNE 2025 1.5 Consider the following elements: potassium (K); zinc (Zn); phosphorous (P); antimony (Sb) and argon (Ar). Which of the following statements is true? ee and T are shown in the table below: Number of Number of neutrons electrons 7 6 R Zz 7 7 Ss 8 6 x 8 8 Which two atoms are | #4CS.C0 A | QandS B_ | QandT C | RandT D_ |RandS 3) 1.7 Elements in the same group on the Periodic table have similar chemical _ properties. This similarity is most closely related to the ... Atomic masses Atomic numbers Number of energy levels yaoe> Number of valence electrons (2) [14] QUESTION 2 In the circuit diagram below, each cell has a voltage of 3V. Copyright reserved 3 Please turn over

Switch S, is initially ope 2.1 22 2.3 2.4 Ball. 32 Testpapers.co.za Write down the rea 211 V 2.1.2 V2 Calculate the reading on the ammeter. AMWED/JUNE 2025 () () (3) Determine the amount of charge passing through the 40 resistor in 6 minutes. (4) Switch S is now closed. 2.4.1 Define the term current. 2.4.2 Calculate the current flowing through the 12 Q resistor. [17] QUESTION 3 Consider the following substances: Carbon dioxide, air, sulphur, ethanol and copper. 3.1.1 Define an element. 3.1.2 Identify a mixture from the above substances. 3.1.3 Which of the substances above is ductile? 3.1.4 Write down the name of an element that is a non-metal. 3.1.5 Which substance undergoes sublimation in its solid phase? (2) (6) (2) (1) (1) () Q) An experiment was conducted to investigate the effect of increasing the temperature of ethanol over a period of time at standard pressure. The heating curve of ethanol during the experiment has been provided below. Copyright reserved 4 Please turn over

Testpapers.co.za AMWED/JUNE 2025 Heating curve of ethanol Temperature (°C) Time (s) 3.2.1 | Write down the name of the scientific instrument used to measure the hanol in this experiment. (1) 3.2.2 Define th r (2) 3.2.3 Write down tl int of ethanol. (1) 3.2.4 In which ph 100°C ? (1) 3.2.5 Explain t section D using kinetic molecular theory. (3) 3.2.6 Between water and ethanol, which substance has the stronger attractive forces between its molecules? (1) 3.2.7 Sketch a well labelled cooling curve of ethanol in your answer book. Indicate all relevant temperatures on the graph. (3) [18] QUESTION 4 4.1 Copper has two stable isotopes. 75% of a sample of the copper isotopes _ consists of 34 neutrons whereas the other isotope consists of 36 neutrons. 4.1.1 Define the term relative atomic mass. (2) 4.1.2 Determine the relative atomic mass of the copper sample. (4) 4.2. Draw the aufbau diagram for the chloride ion. (3) 4.3. Write down the chemical formula of iron(III) oxide. (2) [11] QUESTION 5 5.1 Consider the graph of the first ionisation energies of the firs 20 elements and answer the questions that follow. Copyright reserved 5 Please turn over

5.2 Testpapers.co.za g 8 8 8 1000 + lonisation energy (kJ’mot*) a a 8 8 AMWED/JUNE 2025 12 3°45 6 7 8 9 1011 12°13 14 15 16 17 18 19 20 Atomic number 5.1.1 Define the term ionisation energy. (2) 5.1.2 State the general trend in ionisation energy as you move down a group. Give a reason for yt ur ans we (3) There is a drop in the ionisati er pain magnesium to aluminium. 5.1.3 Write down the aa n for magnesium and aluminium. (2) 5.1.4 Explain this drop isation energy from magnesium to aluminium. (2) 5.1.5 Use an equation resent the first ionization energy of aluminium. (2) Consider the following elements and answer the questions that follow: Na; Si; Mg; Cl; Ar; S; Al. Which of the element(s): §.2.1 is an alkali metal? (1) 5.2.2 can form a metal halide with the general formula MX2 where M represents the metal and X represents the halide? (2) 5.2.3 has a fully filled orbital. (1) 5.2.4 can be used as a semi-conductor. (1) 5.2.5 has the highest average distance from the nucleus to the border of the outer orbital. (1) 5.2.6 will produce the highest amount of energy when an electron is attached to its orbital to form a negative ion? (1) Copyright reserved 6 Please turn over

Testpapers.co.za QUESTION 6 The following chemical substances are given: CaCl2; Fe; CH4; B. 6.1 6.2 6.3 6.4 6.5 6.6 il 7.2 7.3 7.4 Define the term chemical bond. Write down the type of bond formed in the following: 6.2.1 CaCl 6.2.2 CH4 Which of the chemical substances will form a bond between its positive ions and delocalised valence electrons? _ Draw the Lewis dot 1 e found in CH4? Using Lewis dot diagrams. vy CaCl is formed? yer ents to verify whether a physical or chemical change has ta Experiment 1 | Reaction of lead(II) nitrate with sodium iodide to form sodium nitrate and lead(II) iodide. Experiment | has the following unbalanced chemical equation: me Experiment 2 of steam (water vapour) to H2O0(l) + energy Which of the experiments above... 7.1.1 will conserve mass and number of atoms but not number of molecules? 7.1.2 will produce new chemical substances? Rewrite and BALANCE the above chemical equation for experiment 1. Prove that mass is conserved in experiment 1. In another experiment, hydrogen peroxide (H202) reacts to give water and oxygen according to the following balanced chemical reaction below: AMWED/JUNE 2025 [18] (2) () (1) (1) (2) (1) (3) (1) (1) (1) (3) Copyright reserved 7 Please turn over

Testpapers.co.za AMWED/JUNE 2025 2H202 ————> 2H20 + Or In the first reaction, 20g of H2O2 produces 10,59g of H20. 741 Is the reaction in 7.4 a synthesis or decomposition reaction? () 7.4.2 Calculate the mass of oxygen that would be formed in a second reaction if 52g of HzO: reacts. (4) [11] TOTAL [100] FORMULAS — 2 =v I= res V= rs l a Rey RoRi Rt Copyright reserved 8 Please turn over

pansasas yb1sAdoz 4INO UN} ASDAld Physical Sciences/P2 2 CAPS — Grade 11 DBE/November 2018 TABLE 3: THE PERIODIC TABLE OF ELEMENTS/TABEL 3: DIE PERIODIEKE TABEL VAN ELEMENTE 1 2 3 4 5 6 7 8 9 10 14 #412 #13 «#14 «15 06160617018 () (I) a (vy) (Y) (ty) 1 Atomic number 2 =H KEY/SLEUTEL Atoomgetal He 1 = 4 3 4 29 5 6 7 8 9 40 J Electronegativity Symbol, = Li |? Be Elektronegatiwiteit *| = CU I~ simbaot « B je C [SN [5 O |G Ne df. 9 63,5 ca AM |. 42] Aa AG: |" 49). 220 11 12 se 13| 14| 18| 16| 17) «18 S Na |= Mg Approximate relative atomiciiass aa me AQ\2 SiIS P |e S |3Ce| Ar 23 24 Benaderde relatiewe atoommassa é 27 28 31 32 35,5 40 19 20 21 22] 23] 24] 25/ 26] 27) 228] 29) s30| | 31| 32/ 33] 34/ 35] 36 @ K |2 Ca/2 Sc /2 Ti |f V /E Cr |Z Mn{z Fe |2 Co|@ Ni | Cu|2 Zn |< Ga|2 Ge |S As | Se 2 Br| Kr 39 40 45 | 48| 51| 52| 55| 56| 59| 59| 635| 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 s Rb|? Sr |= Y |= Zr| Nb/2Mo/2 Te |& Ru|s Rh|& Pd |Z Ag |= Cd/= In |2 Sn|/2 Sb|s Te|& | | Xe 86 88 s9 | 91| 92/ 96 101| 103| 106| 108| 112| 1415| 119| 122] 128/ 127/ 134 55 56 57 | 72| 73| 74| #75| 76| 77| +78| 79| 8o| 81] 82| 83] 84| 85| 86 s Cs|S Ba| La|2 Hf| Ta} W/ Re} Os| Ir| Pt} Au| Hg/2 T@\|2 Pb/? Bi |& Pols At} Rn 133| 137| 139| 179| 181| 184| 186| 190| 192| 195| 197| 201| 204| 207] 209 87 88 89 t Ly 6 Fr | & Ac 58 | 59 | 60] 61 | 62 | 63 | 64 | 6 | 66 | 67 | 68 | 69 | 70 | 71 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 Copyright reserved Please turn over wor" sisi udalouMnES Wods PaRpOIUMed) $20@ INNI/GAMWIV

Testpapers.co.za Province of the EASTERN CAPE DEPARTMENT OF EDUCATION AMATHOLE WEST DISTRICT MEMORANDUM MARKS: 100 THIS MEMORANDUM CONSISTS OF 7 PAGES INCLUDING THE COVER PAGE.

Testpapers.co.za BCM/JUNE 2025 (2) (2) (2) 14 Cv¥v (2) 1.5 D¥Y (2) 1.6 AVY (2) 1.7 Dv¥ (2) [14] Copyright reserved i. Please turn over

Testpapers.co.za BCM/JUNE 2025 QUESTION 2 2.1.1 9VY (1) 21.2 0V qd) Pr? R= vv 1 == 1am v 1=0,75AY G) 2.3. Positive marking from 2.2 =2 I= At if 0,75 = a= 4) 2.4.1 The rate o (2) 2.4.2 Positive ma OPTION 2 l i, a rs ae aad 11,1 1 1,1 Roath” math” Rp = 30 Rror =3+8= v_9 tage gm =a Ix = =% x 0,8182¥ Ixy = 0,20455AV I =0,20455A Vv (6) [17] Copyright reserved 2 Please turn over

Testpapers.co.za BCM/JUNE 2025 QUESTION 3 3.1.1 A pure substance which consists of only one type of atom. VY (2) 3.1.2 Air’ (1) 3.1.3. Copper.¥ dl) 3.1.4 Sulphur.~ (1) 3.1.5 Carbon dioxide.“ (1) 3.2.1 Thermometer.” (1) 3.2.2 The temperature at which a solid, given sufficient heat, becomes a liquid. VW OR (2) 3.2.3 (1) 3.2.4 (1) 325 d to overcome the attractive or olding the liquid molecules together). ¥ e The molecules move further apart from one another. W e They are converted from liquid to gas. ¥ (3) 3.2.6 Water. ¥ (1) 32-7 Y Correct labelling ‘inet (3) [18] Copyright reserved 3 Please turn over

Testpapers.co.za BCM/JUNE 2025 QUESTION 4 4.1.1 The mass of an atom on a scale where an atom of carbon-12 has a mass of 12. VW (2) 4.1.2 ¥63 Ar = a = v (65x25) ¥ substitution 4 Ar = 63,5 ¥ (4) 4.2 AV [AL [Abs [Abs Y 3p orbital [AVAL [Ab] 2p Y¥ 2p and 3s orbitals [Ab}es ¥ 1s and 2s orbitals MV)s @) 4.3 FexOsvv¥ (2) [11] Copyright reserved 4 Please turn over

Testpapers.co.za BCM/JUNE 2025 QUESTION 5 5.1.1 The energy needed per mole to remove an electron from an atom in the gaseous phase. VW (2) 5.1.2 Decreases. ¥ e Extra energy levels (orbitals are added). e Valence electrons are now far away from the nucleus and the strength of the nuclear attraction on valence electrons decreases.¥ (3) = a Al: 18°282p°3323p!v (2) f Magnesium are closer to the inium. ¥ e There is a stronger nuclear attraction of the valence electrons in magnesium compared to aluminium. (2) A +e vLHS YRHS (2) a) Q) a) a) 5.2.5 Nav a) 5.2.6 ClY qd) [18] Copyright reserved 5 Please turn over

Testpapers.co.za — BCM/JUNE 2025 QUESTION 6 6.1 The mutual attraction between two atoms resulting from the simultaneous attraction between their nuclei and the outer electrons. VY (2) 6.2.1 Ionic bond¥ (1) 6.2.2 Covalent bond¥Y (1) __Fe¥ () Q) qd) Yv reactants ¥ Cat v 2cr G3) [11] QUESTION 7 7.1.1 Experiment 1. ¥ (1) 7.1.2 Experiment 1.” qd) 12 PbéNC - 2NaNO; + Pbh ¥ (1) 73 S 23) + 2(14) + 6 (16) + 07+ 2(127) ¥ (3) TAA i (1) 7.4.2. Mass of oxygen gas (O2) in reaction 1 = 20 - 10,59 =9,41g. ¥ Mass of oxygen gas (O2) in reaction 2 = a ¥x52V = 24,4668, ¥ (4) 11] TOTAL [100] Copyright reserved 6 Please turn over