Physical Sciences Grade 10 P2 Limpopo June 2025 Paper & Memo

Testpapers.co.za LIMPOPO PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA DEPARTMENT OF EDUCATION NATIONAL OR CERTIFICATE : 100 : 2 hours This question paper consists of 10 pages including cover page and 2 data sheets.

Ph Testpapers.co.za Limpopo/June 2025 “NSC INSTRUCTIONS AND INFORMATION 9: . Write your name and class (e.g. 10A) in the appropriate spaces on the ANSWER BOOK. 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 answer: th ording to the numbering system used in this question paper. . Leave ONE line betwe QUESTION 2.2. You may use a non-pr in > Calculator. You may use appropriate mathematical instruments. You are advised to use the attached DATA SHEETS. Show ALL formulae and substitutions in ALL calculations. 10. Round off your final numerical answers to a minimum of TWO decimal places. 11.Give brief motivations, discussions, etc. where required. 12.Write neatly and legibly. Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 “NSC QUESTION 1 (Start on a new page) Various options are provided as possible with 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 numbers (1.1 to 1.10) in the ANSWER BOOK, e.g. 1.11 D. 1.1 — Which one of the following statements is TRUE about brittle physical property A. Ability to be stretched into a wire. B. Ability to be hammered or pressed into shape without breaking or cracking. (2) 1.2 Acompound has bee! Sd as. H jorephysiesicom A. Apure substance consisting of two or more different elements. B. Apure substance consisting of one type of atom. C. Asubstance that cannot be separated into simpler components by physical methods. D. The temperature of a liquid at which its vapour pressure equals the external (atmospheric) pressure. (2) 1.3 Leago wants to state the kinetic molecular theory of gases to her teacher, and she has the following options: i. Are very far apart ii, Move anne in.all.directions e abou ositions. of attraction between them the most correct to explain kinetic molecular C. (i), (i) and (iv) D. (i), (ii) and (iii) (2) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 1.4 ELEMENT N 20 21 19 9X | 1X | 3X Which TWO ele! e isotopes? A. J and K B. JandN Cc. KandM D. JandL (2) 1.5 Whatis the correct for (1) sulphate? A. CuiSO4 B. CuzSO4 C. Cur1SO3 D. CuzSOzs (2) 1.6 The electronegativity of elements of Periodic Table increases... A. across the period from left to right B. across the groups from left to right C. down the periods of the same group D. when their relative atomic mass decreases (2) 1.7. Covalent bonding involves the. of electrons, while the ionic bonding involves the of electrons A. sharing; splitting B. transferring; sharing C. exchanging; sharing D._ sharing; transferring (2) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 “NSC 1.8 The process whereby a solid substance changes directly to the gaseous phase is known as ... A. evaporation B condensation C. sublimation D melting (2) 1.9 Consider the unb ation below. 'g) > AB2 (9) ill balance the chemical equation? A. 4:6:3 Bi. 2532 C. 3:4:6 D. 3:6:4 (2) (2) [20] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 "NSC QUESTION 2 (Start on a new page The diagram below shows 1 } @ B and C. 2.1 Define the term com, ne (2) 2.2 From the diagram, use the key vided to answer the questions that follow. Write down a LETTER (A, B or C) that represents the following: 2.2.1. Compound (1) 2.2.2 Element (1) 2.3 Write down a LETTER (A, B or C) that represents a heterogeneous mixture. Explain your answer (2) 2.4 Which physical method would you use to separate substance C? (1) [7] Copyright reserved Please turn over

Ph: Testpapers.co.za QUESTION 3 (Start on a new page.) “NSC Water Ethanol ing “i tC) 0 144 Ing mel (°C) 100 78 3.1.3 is a solid at room 3.1.4 are liquids at | oO 3.1.5 is agas at room temperature (25 °C)? 25 °C)? (25 °C)? Limpopo/June 2025 (2) (1) (1) (3) (1) 3.2 Explain the following use: In places where it snows, the traffic department pours salt on snow-covered roads. (2) 3.3 Explain each of the following in terms of the kinetic molecular theory of matter: 3.3.1 Ametal laundry line which hangs droop on a very warm day (2) 3.3.2 Decrease of metal size due to exposure of liquid nitrogen (2) 3.3.3. The need for gaps in railway lines (2) 3.4 Many people mistakenly take a bath after heavy drinking of an alcohol to ease the smell so that his/her Boss won't notice the smell, but they turned to smell more of alcohol after a bath even a day after heavy drinking. 3.4.1 Is this primarily due to diffusion or Brownian motion? 3.4.2 Explain your answer in 3.4.1 Copyright reserved (1) (2) [19] Please turn over

Ph Testpapers.co.za Limpopo/June 2025 "NSC QUESTION 4 (Start on a new page.) 4.1 Define the terms: 4.1.1. Atomic number (2) 4.1.2. Isotope (2) 4.2 Name the particle(s) found in the atom which: 4.2.1 carry no electrical charge. (1) x 4.2.2 carry one negativ rge. (1) 4.2.3 has the smalle (1) 4.3 Complete the table b elo) (4.3.1- 4.3.5). NB. DON’T redraw th ELEMENT | .MASS_ | ATOMIC ee OE NUMBER OF NUMBER | NUMBER | oo ons | NEURONS | ELECTRONS Oxygen 16 4.3A 8 4.3.2 8 4.3.3 19 9 9 4.3.4 4.3.5 (5) 4.4 The graph below shows the first ionisation energies of the first 20 elements in the periodic table. First ionisation energies of the first 20 elements 2500 nN S S 3 1500 1000 lonisation energy (kJ.mol™) 501 3 4.4.1 Define the term first ionisation energy. (2) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 "NSC 4.4.2. Which three elements have the lowest first ionisation energies? (1) 4.4.3 In which group of the periodic table do these elements 4.4.2 occur? (1) 4.4.4 Which of the metals or non-metals will preferably form positive ions? (2) Justify your answer with data from the graph. [18] QUESTION 5 (Start on a new page.) == ~ 5.1 Define covalent bone f ; ; (2) 5.2 Draw the Lewis diagram of si sovalent molecules 5.2.1 HCl (2) 5.2.2 CH4 (2) 5.3 Ammonia (NHs) is manufactured using an industrial process, known as the Haber process. It is used in the production of inorganic fertilisers, such as ammonium sulphate. 5.3.1 Write down the chemical formula for ammonium sulphate. (2) 5.3.2 Name the type of bond between the atoms in the ammonia molecule. (1) 5.3.3 Draw the Aufbau diagram (orbital box diagram) for nitrogen. (2) 5.3.4 How many valence electrons does nitrogen have? (1) [12] QUESTION 6 (Start on a new page.) Magnesium ribbon burns in oxygen with a bright white flame to produce a white solid, magnesiuM Oxide» 6.1 ‘ sium ribbon and oxygen a PHYSICAL or (2) son for the answer. 6.2 Write dow for the reaction between magnesium and (3) ee = 6.3 Use the Law of Conservation of mass to show that mass is conserved during (4) the reaction in QUESTION 6.2. Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 "NSC 6.4. The balanced chemical equation (i) and the word equation (ii) for two chemical reactions are shown below i. C&2(g) + H2(g) 2HC2(g) ii. aluminium carbonate — aluminium oxide + carbon dioxide 6.4.1. Write the chemical equation (i) in word equation (2) 6.4.2 Write the word equation (ii) in chemical equation (3) [14] QUESTION 7 (Start on 7.1 Define one mole. (2) 7.2 Study the balanced che of the reaction between sodium carbonate (Na2zCOs) an cid (HC£) and answer the questions that follow. 7 J 7 Na2CO3;(s) + 2HC@(2) — 2Na In a reaction, initially 10,6 g of sodium ni el XCESS hydrochloric acid. ; Calculate 7.2.1. The molar mass of sodium carbonate. (2) 7.2.2 Initial number of moles of sodium carbonate (3) 7.2.3 Number of moles of carbon dioxide if 4,87 dm° of carbon dioxide was (3) produced at STP. [10] TOTAL: 100 Copyright reserved Please turn over

Testpapers .co.zZa 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 SYMBOL/SIMBOOL VALUE/WAARDE Standard pressure ye? | 5 Standaarddruk he 1,013 x10" Pa Molar gas volume at PI Somnayt Molére gasvolume by | 22,4 dm°-mol Standard temperature 273K Standaardtemperatuur e Charge on electron = 1,6x 107°C Lading op elektron TABLE 2: FORMULAE/TABEL 2: FORMULES Ant nell. M Na c=" ORIOF c=_™ n= Vv MV V

physics.com ABLE OF ELEMENTS/TABEL 3: DIE PERIODIEKE TABEL VAN ELEMENTE 1 2 3 7 8 9 10 11 12 13 14 15 16 17 18 ! i ti} i} Vv) } ‘Vil Vill ()) (il) NtoRKE TaN bee (ly) (IV) (MV) (VI) (VN) (Vt) 7 KEY/SLEUTEL Atoomgetal 2 w oH He 1 29 4 3 4 Electronegativity__,| o Cu Symbol 5 6 7 8 9 10 S Li 2. Be Elektronegatiwiteit | = 63.5 Simbool g B a c ya N 2 fe} 2 F Ne 7 9 td 11 12 14 16 19 20 11 12 13 14 15 16 17 18 2 Na |% Mg Approximate relative atomic mass “ael@ sil Pp |" s [2 ce Ar - 93 |" 24 Benaderde relatiewe atoommassa ~ 97 |" 28 |™ 34 |™ 32 |%35,5| 40 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 2 K |& Ca Sc [2 Ti |2 v |& cr |S Mn [2 Fe |2 Co |2 Ni |Z Cu |@ Zn |& Ga |@ Ge |F As |S Se |B Br| Kr 39 40 45 48 51 52 55 56 59 59 63,5 65 70 73 75 79 80 84 Pe 37 Se 38 39 40 41 re 42 ai 43 a 44 Ay 45 < 46 om 47 eS 48 = 49 bs 50 re 51 52 es 53 54 oe. Rb IS Sr Y = zr Nb |% Mo |@ Te | Ru |G Rh |G Pd |& Ag |= Cd |= In |Z Sn |% Sb |G Te |G | 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 5 Cs 3 Ba La 2 Hf Ta Ww Re Os Ir Pt Au Hg i Te 2 Pb 2 Bi 7 Po a At Rn 133 137 139 179 181 184] 186) 190 192 195 197 201 204 207 209 a 87 a 88 89 > Fr |2 R Ac ell a 58] 59 | 60] 61 | 62 | 63 | 64 | 65 | 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

Testpapers.co.za LIMPOPO PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA DEPARTMENT OF EDUCATION MARKS/PUNTE:100 This marking guideline consists of 9 pages including cover page./Hierdie nasienriglyne bestaan uit 9 bladsye, insluitend die voorblad. Copyright reserved/kopiereg voorebou Please turn over/blaai om asb

Ph: Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 4/VRAAG 1 (2) (2) (2) (2) (2) (2) (2) BahmorephYsles.com (2) (2) Vv (2) D c Cc D 1.10 [20] Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Ph Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 2/VRAAG 2 2.1 Apure substance consisting of two or more different elements. ¥ V/ 'n Suiwer Stof wat uit twee of meer verskillende elemente bestaan (2 OR 0) (2) 2.2) 2raet BY (1) 2.2.2 AV (1) 23 CY It's a mixture of non- easily identified. waarvan die komponenr yn and of which the components can be et 'n nie-uniforme samestelling en tifiseer kan word. OR/OF Sand and water can be . ¥/ Sand en water kan maklik geidentifiseer word (2) 2.4 Filtration “/ Filtrasie (1) [7] QUESTION 3/VRAAG 3 3.1. 3.1.1. The temperature at which the vapour pressure of a liquid equals the external (atmospheric) pressure. ¥ “/ Die temperatuur waarby die damparuk van 'n vioeistof gelyk is aan die eksterne (atmosferiese) druk (2 orlof0) (2) 3.1.2 Chlorine “/ Chloor (1) 3.1.3 Phosphorus “/ Fosfor (1) (3) (1) Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Ph Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne 3.2 Salt has high thermal conductivity”. Can easily lower the freezing point of water, which prevents ice from forming. v (but less effective once the temperature falls below 0 to — 9°C)/ Sout het hoé termiese geleidingsvermoé. Kan die vriespunt van water maklik verlaag, wat verhoed dat ys vorm. (maar minder effektief sodra die temperatuur onder 0 tot — 9 °C daal) (2) 3) (3.3.7 e As the temperature increases, the particles in the metal have more kinetic energy. “/ Soos die temperatuur styg, het die deeltjies in die metaal meer kinetiese energie. e Leadi ibrations of metal atoms within the line resulting mpared to a cooler day. “/ Wat lei tot meer me binne die lyn wat lei tot 'n gebrek aan et 'n koeler dag. (2) 3.3.2 . low temperature, causes the metal . ¥/ Vioeibare e lai peratuur, wat veroorsaak dat die metaalatome van hul kinetiese energie oordra. e Leading to less vibrations of metal atoms, to less expansion effect. v/ Lei tot minder vibrasies van metaalatome, tot minder uitbreidingseffek. OR/OF 3 to decrease in temperature ve less kinetic energy. V/ Soos an 'n afname in temperatuur, ies minder kinetiese energie ° ir vibr { : is to a decrease in the ing in a smaller overall volume for the m af. Dit lei tot 'n afname in die afs 1 kleiner algehele volume vir die metaal tot gevolg het. (2) 3.3.3 e If the temperature increases, the kinetic energy of particles also increases. “/ As die temperatuur styg, neem die kinetiese energie van deeltjies ook toe. e Leading to their increased movement and expansion. Causing them to lengthen. “/ Wat lei tot hul verhoogde beweging en uitsitting. Dit veroorsaak dat hulle langer word. (2) Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Ph: Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne (If there were no gaps, the rails would expand against each other, potentially buckling or causing the track to deform)/ (As daar geen gapings was nie, sou die spore teen mekaar uitsit, wat moontlik sou buig of veroorsaak dat die spoor vervorm.) 3.4. 3.4.1 Diffusion “/Diffusie (1) 3.4.2 Alcohol molecules, even after some metabolism, are still present in the bloodstream. / Alkoholmolekules, selfs na 'n mate van metabolisme, is steeds in die bloadstroom teénwoordig. nt, and alcohol diffuses readily into ene oplosmiddel, en alkohol diffundeer ‘surface area of skin exposed to water of alcohol into the water, leading to a d laat die groter opperviakte van die vel ! word, groter verspreiding van alkohol in die water - wat lei tot 'n sterker reuk. OR/OF The movement of atoms or molecules from an area of higher concentration (bloodstream) to an area of lower concentration (water bath) leading to a stronger odour. Y “/ Die beweging van atome of molekules vanaf 'n gebied met 'n hoér konsentrasie (bloedstroom) na 'n gebied met 'n laer konsentrasie (waterbad) wat lei tot 'n sterker reuk. (2) [19] Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Ph Testpapers.co.za j Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 4/VRAAG 4 4.1 4.1.1. The number of protons in an atom of an element. v v / Die aantal 4.2 4.3 44 4.1.2 4.2.1 4.2.2 4.2.3 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 4.4.1 4.4.2 4.4.3 4.4.4 protone in 'n atoom van 'n element (20R0) (2) Atoms of the same element having the same number of protons, but different numbers of neutrons. Vv Y / Atome van dieselfde element met dieselfde aantal protone, maar verskillende getalle neutrone. (2) Neutrons ¥/Neutrone (1) Electrons (1) Electrons v/Elel (1) Bv (1) 8v (1) Fluorine/fluoor (1) 10 v (1) ov (1) Energy needed per mole to remove gaseous phase. v v/ Energie b i ‘n atoom in die gasfase te ve 4 (2) Li, Na and/en K V (all THREE correct, Or/Of Lithium, sodium and potassium ~/ Litiu correct, 1 or 0 al DRIE korrek, 1 of 0 (1) Group 1/1 ~/Groep 1/1 (1) Metals v/Metale Metal atoms have high ability to lose electrons from their outer shell when they form ions the ions are positive, because they have more protons. “/ Metaalatome het 'n hoé vermoé om elektrone van hul buitenste orbitaal te verloor wanneer hulle ione vorm; die ione is positief omdat hulle meer protone het. (2) [18] Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Ph Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 5/VRAAG 5 5.1. The sharing of valence electrons between atoms to form molecules. v v / Die deel van valenselektrone tussen atome om molekules te vorm. (2 orlof 0) (2) (2) (2) (2) 5.3.2 Covalent bond ~/ Kovalente binding (1) 5.3 5.3.1 (NH4)2SO4 Vv 5.3.3 Aufbau diagram (orbital box diagram) for nitrogen/ Aufbau-diagram (orbitaalkasdiagram) vir stikstof 1s n= 2 | ¥ (all correct/almal korrek) 1 n=1 | ¥ (all correct/almal korrek) 1 Total/totaal z (2) 5.3.4 5v (1) [12] Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Ph Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 6/VRAAG 6 6.1 Chemical change. Y/Chemiese verandering 6.2 6.3 6.4 It involves the formation of a new substance, magnesium oxide, which has different properties than the original magnesium and oxygen. ~/ Dit behels die vorming van 'n nuwe stof, magnesiumoksied, wat verskillende eienskappe het as die oorspronklike magnesium en suurstof. Or/Of New chemical substances gevorm 2Mg + O2 > 2MgG are formed. “/ Nuwe chemiese stowwe word — ante (sonder molverhouding) v @ (sonder molverhouding) v and Product/ Balansering v en Produk Thus, the mass of the reactants = mass of the products “/ Dus, die massa van die reaktante = massa van die produkte 6.4.1. Chlorine + hydrogen hydrogen chloride / Chloor + waterstof > (2) Total/totaal (3) Reactants/reaktante | Products/produkte 2Mg + O2 2MgO = 2(24)+2(16) |“ | =2(24+ 16) = 80 g.mol" ¥__| =80g.mol" v 2 1 (4) waterstofchloried Both reactants /beide reaktante vi/1 Products/produkte v|1 Total/totaal | 2 (2) 6.4.2) Reaktante (sonder v Produkte (sonder v a tants and Product/ v beide Reaktante en Produk ey both SWB olverhoudin g)! ‘ Total/totaal Copyright reserve/kopiereg voorbehou (3) [14] Please turn over/blaai om asb

Ph Testpapers.co.za | Limpopo/June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 7/VRAAG 7 7.1. The amount of substance having the same number of particles as there are atoms in 12 g carbon-12. Vv / Die hoeveelheid stof met dieselfde aantal deeltjies as wat daar atome in 12 g koolstof-12 is (2 orlof 0) (2) 7.2..7.2.1 M(Na2COs) = 2(Na) + C + 30 = 2(23) + (12) + 3(16) v = 106 g.molt v (2) Positive marking form question 7.2.1|positiewe nasien vanaf vraag 7.2.1 C22) a, M _ 10,6 "* 706 n = 0,10 mol (3) L233 irs La v = v v (3) ? pt/aa 0,22 mol/ 0,217 mol. DON’T accept/ONAANVAARBAAR 0,2 mol / 0,21 mol) [10] TOTAL: 100 Copyright reserve/kopiereg voorbehou Please turn over/blaai om asb