Technical Sciences Grade 10 P2 November Mock Exam 2 2026 QP

Mock hlayiso mock exams Practice Series: Grade 10 Exam Preparation WWW.HLAYISO.COM NATIONAL SENIOR CERTIFICATE GRADE 10 TECHNICAL SCIENCES P2 NOVEMBER EXAMINATION 2026 (MOCK) MARKS: 150 TIME: 3 hours This question paper consists of 12 pages, 1 graph sheet and 2 data sheets. Copyright reserved Please turn over

Technical Sciences/P2 2 Hlayiso/Mock 2026 NSC Mock INSTRUCTIONS AND INFORMATION 1. Write your centre number and examination number in the appropriate spaces on the ANSWER BOOK and on the GRAPH SHEET. 2. This question paper consists of NINE questions. Answer ALL the questions in the ANSWER BOOK, except QUESTION 9.3.1, which must be answered on the attached GRAPH SHEET. 3. Hand in the GRAPH SHEET together with your ANSWER BOOK. 4. Start EACH question on a NEW page in the ANSWER BOOK. 5. Number the answers correctly according to the numbering system used in this question paper. 6. Leave ONE line between two subquestions, e.g. between QUESTION 2.1 and QUESTION 2.2. 7. You may use a non-programmable calculator. 8. You may use appropriate mathematical instruments. 9. You are advised to use the attached DATA SHEETS. 10. Show ALL formulae and substitutions in ALL calculations. 11. Round off your FINAL numerical answers to a minimum of TWO decimal places. 12. Give brief motivations, discussions, etc. where required. 13. Write neatly and legibly. Copyright reserved Please turn over

Technical Sciences/P2 3 Hlayiso/Mock 2026 NSC Mock QUESTION 1: MULTIPLE-CHOICE QUESTIONS Various options are provided as possible answers to the following questions. 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 substances is a COMPOUND? A Sea water B Sulphur C Carbon monoxide D Steel (2) 1.2 Which ONE of the following is a typical property of most NON-METALS in the solid state? A Malleable B Shiny (lustrous) C Good electrical conductor D Dull and brittle (2) 1.3 The correct name of the compound Fe2 (SO4 )3 is … A iron(III) sulphate. B iron(II) sulphate. C iron(III) sulphite. D iron(II) sulphite. (2) 1.4 The formula of the PERMANGANATE ion is … A MnO2– 4 B MnO–3 C MnO–4 D Mn2+ (2) 1.5 The electron configuration of a MAGNESIUM ion, Mg2+ , is … A 1s2 2s2 2p6 3s2 B 1s2 2s2 2p6 C 1s2 2s2 2p6 3s2 3p2 D 1s2 2s2 2p4 (2) Copyright reserved Please turn over

Technical Sciences/P2 4 Hlayiso/Mock 2026 NSC Mock 1.6 Which ONE of the following pairs of atoms are ISOTOPES of each other? A 14C and 14N 6 7 B 23Na and 24Mg 11 12 C 40K and 40Ca 19 20 D 16O and 18O (2) 8 8 1.7 Which ONE of the following elements is a HALOGEN in PERIOD 3 of the periodic table? A Fluorine B Argon C Chlorine D Sulphur (2) 1.8 When the temperature of a piece of pure silicon (a semiconductor) is increased, its electrical conductivity … A decreases. B increases. C stays the same. D becomes zero. (2) 1.9 Propane gas burns in oxygen according to the equation: a C3 H8 + b O2 → c CO2 + d H2 O Which set of values for a, b, c and d balances the equation? A 1; 5; 3; 4 B 1; 3; 3; 4 C 2; 7; 6; 8 D 1; 10; 3; 4 (2) 1.10 The SI unit of HEAT is the … A kelvin. B joule. C watt. D degree Celsius. (2) [20] Copyright reserved Please turn over

Technical Sciences/P2 5 Hlayiso/Mock 2026 NSC Mock QUESTION 2 (Start on a new page.) The diagrams A to D below represent the particles in four different samples of gases. The key shows the atoms. A B C D KEY: = carbon atom = oxygen atom = hydrogen atom 2.1 Define the term element. (2) 2.2 Write down the letter(s) of the diagram(s) that represent(s): 2.2.1 An element (1) 2.2.2 Compounds (2) 2.2.3 A mixture (1) 2.3 Write down the NAME and the CHEMICAL FORMULA of the substance in diagram B, and the CHEMICAL FORMULA of the substance in diagram D. (3) 2.4 A learner states: ‘Diagram C represents a compound, because it contains both carbon and oxygen atoms.’ Is the learner CORRECT? Explain the answer fully. (3) 2.5 Refer to diagrams B and D. 2.5.1 Write down the ratio in which hydrogen and oxygen atoms are combined in the substance in diagram D. (1) 2.5.2 How many atoms in TOTAL are present in the FIVE molecules shown in diagram B? (1) 2.6 The substances in diagram C can be separated by physical methods, but the substance in diagram B CANNOT be separated into carbon and oxygen by physical methods. Explain this difference. (2) [16] Copyright reserved Please turn over

Technical Sciences/P2 6 Hlayiso/Mock 2026 NSC Mock QUESTION 3 (Start on a new page.) Grade 10 learners in Mthatha investigate which substances conduct electricity. They use a cell, a switch, an ammeter, a light bulb and two carbon electrodes. Solids are clamped between the two electrodes, and liquids are tested by dipping the two electrodes into a beaker containing the liquid. Each substance is tested in turn, using the SAME circuit. The results are shown in the table below. SUBSTANCE TESTED AMMETER READING (A) DOES THE BULB GLOW? Solid calcium chloride (crystals) 0,00 No Calcium chloride solution 0,62 Yes – bright Sugar solution 0,00 No Distilled water 0,00 No Tap water 0,04 No Graphite rod 0,75 Yes – bright 3.1 Write down a suitable AIM for this investigation. (2) 3.2 Draw a labelled circuit diagram of the apparatus that is used to test the LIQUIDS. (4) 3.3 For this investigation, write down the: 3.3.1 Independent variable (1) 3.3.2 Dependent variable (1) 3.3.3 ONE controlled variable (1) 3.4 Solid calcium chloride does NOT conduct electricity, but a solution of calcium chloride in water DOES conduct electricity. Explain this observation. (3) 3.5 Write down a balanced equation that shows what happens when solid calcium chloride dissolves in water. Include the phases. (3) 3.6 The ammeter reading for tap water is higher than that for distilled water. Give a reason for this. (2) 3.7 Write down the name of the SOLUTE in the table that is a NON-ELECTROLYTE. (1) [18] Copyright reserved Please turn over

Technical Sciences/P2 7 Hlayiso/Mock 2026 NSC Mock QUESTION 4 (Start on a new page.) 4.1 Consider the following list of elements: Magnesium Sulphur Germanium Boron Iodine Zinc From the list, write down the names of the TWO elements that are: 4.1.1 Metals (2) 4.1.2 Metalloids (semi-metals) (2) 4.1.3 Non-metals (2) 4.2 A scrapyard in Gqeberha uses a large electromagnet on a crane to sort metal waste. Write down only YES or NO to indicate whether each of the following items will be LIFTED by the electromagnet. (a) Steel bolt (b) Aluminium window frame (4) (c) Copper water pipe (d) Cast-iron pot 4.3 Define the term thermal insulator. (2) 4.4 A plumber wants to wrap a hot-water geyser with a ‘geyser blanket’ to reduce heat loss. The approximate thermal conductivities of some materials are given below. MATERIAL THERMAL CONDUCTIVITY (W·m–1 ·K–1 ) Copper 385 Steel 50 Brick 0,7 Glass wool 0,04 Polyurethane foam 0,025 Use the data in the table to identify the material that will reduce the heat loss from the geyser the MOST. Give a reason for the answer. (2) [14] Copyright reserved Please turn over

Technical Sciences/P2 8 Hlayiso/Mock 2026 NSC Mock QUESTION 5 (Start on a new page.) 5.1 Define the term atomic number. (2) 5.2 Copper is used in electrical wiring. Naturally occurring copper consists of two types of atoms: 63 65 29Cu and 29Cu. 5.2.1 Write down the term that is used to describe these two types of copper atoms. (1) 5.2.2 The two types of copper atoms have the SAME chemical properties. Explain why. (2) 5.3 Study the table below. Write down only the letters (a) to (h) and the answer next to each letter, e.g. (i) 12. (8) PARTICLE MASS PROTONS NEUTRONS ELECTRONS NUMBER 65Cu 65 (a) (b) (c) 29 63Cu2+ 63 29 (d) (e) 29 (f) (g) 16 18 18 56Fe3+ 56 26 (h) 23 26 For (f), give the chemical symbol of the particle, including its charge. 5.4 An atom of element X has FIVE valence electrons, and these valence electrons occupy the THIRD energy level. The nucleus of this atom contains 16 neutrons. Write down the NAME of element X and the nuclear notation (A ZX form) of this atom. (3) 5.5 An ion of element Y has a charge of 2– and contains 10 electrons. 5.5.1 How many protons are there in the nucleus of an atom of Y? (1) 5.5.2 Write down the NAME of element Y. (1) 5.5.3 Write down the chemical formula of the compound that forms between aluminium ions and the ions of Y. (2) [20] Copyright reserved Please turn over

Technical Sciences/P2 9 Hlayiso/Mock 2026 NSC Mock QUESTION 6 (Start on a new page.) The simplified periodic table below shows the positions of eight elements, represented by the letters A to H. The letters are NOT the chemical symbols of the elements. Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 D F G Period 3 A C E 4 B H 6.1 Write down the LETTER that represents: 6.1.1 An alkaline earth metal (1) 6.1.2 A halogen (1) 6.1.3 A metalloid (1) 6.1.4 A noble gas (1) 6.1.5 A transition metal (1) 6.1.6 An element with FIVE valence electrons (1) 6.2 Write down the number of CORE electrons and the number of VALENCE electrons in an atom of element E. (2) 6.3 Element E forms an ion with a charge of 2–. Draw an Aufbau diagram (orbital box diagram) for this ION. (3) 6.4 Write down the electron configuration (sp-notation) of an atom of element B. (2) 6.5 Element F forms ions with a charge of 1–. Explain this by referring to the electron arrangement of an atom of F. (2) 6.6 Write down the NAME of element C. (1) 6.7 Write down the letters of TWO elements in the table that exist as DIATOMIC molecules at room temperature. (2) [18] Copyright reserved Please turn over

Technical Sciences/P2 10 Hlayiso/Mock 2026 NSC Mock QUESTION 7 (Start on a new page.) 7.1 Write down the NAME and the CHARGE of EACH of the underlined ions: 7.1.1 Na3 PO4 (2) 7.1.2 Fe(OH)3 (2) 7.1.3 NH4 NO3 (2) 7.2 Use Stock notation to write down the NAMES of the following compounds: 7.2.1 CuCℓ (2) 7.2.2 PbO2 (2) 7.3 Write down the CHEMICAL FORMULAE of the following compounds: 7.3.1 Potassium dichromate (2) 7.3.2 Magnesium hydrogen carbonate (2) 7.3.3 Calcium phosphate (2) 7.4 A learner wrote the formula of sodium carbonate as Na(CO3 )2 . Explain what is wrong with this formula and write down the correct formula. (2) [18] Copyright reserved Please turn over

Technical Sciences/P2 11 Hlayiso/Mock 2026 NSC Mock QUESTION 8 (Start on a new page.) 8.1 Balance the following equations. Rewrite each balanced equation in the ANSWER BOOK. 8.1.1 Fe2 O3 + CO → Fe + CO2 (2) 8.1.2 C4 H10 + O2 → CO2 + H2 O (2) 8.2 The reaction in QUESTION 8.1.1 takes place in a blast furnace where iron is produced. Use the BALANCED equation and the relative atomic masses on the periodic table to show that the law of conservation of mass is obeyed in this reaction. (4) 8.3 When zinc granules are added to dilute sulphuric acid, zinc sulphate and hydrogen gas are formed. Write down a balanced chemical equation for this reaction, using chemical formulae. (3) 8.4 How many OXYGEN atoms are represented by 3CO2 in the balanced equation of QUESTION 8.1.1? (1) [12] Copyright reserved Please turn over

Technical Sciences/P2 12 Hlayiso/Mock 2026 NSC Mock QUESTION 9 (Start on a new page.) 9.1 Define the term heat. (2) 9.2 Learners use the apparatus below to determine the melting point of paraffin wax. A B C (solid paraffin wax) D (water) 9.2.1 Write down the names of the pieces of apparatus labelled A and B. (2) 9.2.2 Why is the test tube with paraffin wax heated in a beaker of water and NOT directly over the flame? (2) 9.3 After all the wax has melted, the test tube is removed from the water and the molten wax is allowed to cool. Assume that the wax is a pure substance. The temperature is recorded every minute. Time (min) 0 1 2 3 4 5 6 7 8 9 10 Temperature (◦ C) 82 74 67 61 57 57 57 57 57 52 47 9.3.1 Use the data in the table to draw a graph of temperature (on the y-axis) against time (on the x-axis) on the attached GRAPH SHEET. (4) 9.3.2 Use the graph to write down the melting point (freezing point) of the paraffin wax. (1) 9.3.3 Convert the melting point in QUESTION 9.3.2 to kelvin. (2) 9.4 Name ONE type of thermometer, other than a liquid-in-glass thermometer, that can be used to measure temperature. (1) [14] TOTAL: 150 Copyright reserved

Technical Sciences/P2 13 Hlayiso/Mock 2026 NSC Mock GRAPH SHEET FOR QUESTION 9.3.1 CENTRE NUMBER: EXAMINATION NUMBER: Hand in this GRAPH SHEET together with your ANSWER BOOK. Copyright reserved

Technical Sciences/P2 1 Hlayiso/Mock 2026 NSC Mock DATA FOR TECHNICAL SCIENCES GRADE 10 PAPER 2 (CHEMISTRY) TABLE 1: PHYSICAL CONSTANTS NAME SYMBOL VALUE Charge on electron e –1,6× 10–19 C Standard temperature Tθ 273 K TABLE 2: FORMULAE TEMPERATURE T (in K) = t (in ◦ C) + 273 t (in ◦ C) = T (in K) – 273 Copyright reserved Please turn over

Technical Sciences/P2 2 Hlayiso/Mock 2026 NSC Mock TABLE 3: THE PERIODIC TABLE OF ELEMENTS 1 2 13 14 15 16 17 18 (I) (II) 3 4 5 6 7 8 9 10 11 12 (III) (IV) (V) (VI) (VII) (VIII) 1 2 Atomic number 2,1 H He 1 KEY 4 29 3 4 5 6 7 8 9 10 1,0 1,5 Electronegativity 1,9 Cu Symbol 2,0 2,5 3,0 3,5 4,0 Li Be B C N O 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 1,5 Aℓ 1,8 Si 2,1 P 2,5 S 3,0 Cℓ Ar Approximate relative atomic mass 23 24 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 1,8 Fe 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 1,9 Tc 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 226 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 Copyright reserved