Technical Sciences Grade 10 P2 November Mock 2026 QP (Eng)

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 9.4.1, 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 is a HOMOGENEOUS mixture? A Sand and water B Salt dissolved in water C Muddy water D Oil and water (2) 1.2 Which ONE of the following elements is a METALLOID (semi-metal)? A Carbon B Germanium C Magnesium D Chlorine (2) 1.3 The number of protons in the nucleus of an atom is called the … A mass number. B neutron number. C atomic number. D nucleon number. (2) 1.4 Which ONE of the following materials is the best THERMAL INSULATOR? A Copper B Aluminium C Iron D Polystyrene (2) 1.5 The electron configuration of a sodium atom (Na) is … A 1s2 2s2 2p6 3s1 B 1s2 2s2 2p7 C 1s2 2s2 2p6 3s2 D 1s2 2s8 3s1 (2) Copyright reserved Please turn over

Technical Sciences/P2 4 Hlayiso/Mock 2026 NSC Mock 1.6 The elements in GROUP 18 of the periodic table are known as the … A alkali metals. B halogens. C noble gases. D alkaline earth metals. (2) 1.7 The correct chemical formula for aluminium oxide is … A AℓO B Aℓ2 O3 C Aℓ3 O2 D AℓO2 (2) 1.8 Which ONE of the following metals is attracted by a magnet? A Copper B Aluminium C Zinc D Nickel (2) 1.9 A temperature of 25 ◦ C is equal to … A 248 K. B 25 K. C 273 K. D 298 K. (2) 1.10 Isotopes of an element have the same number of … but a different number of … A protons; neutrons B neutrons; protons C electrons; protons D protons; electrons (2) [20] Copyright reserved Please turn over

Technical Sciences/P2 5 Hlayiso/Mock 2026 NSC Mock QUESTION 2 (Start on a new page.) A learner finds the following substances in the school laboratory and storeroom: Air Copper wire Carbon dioxide Salt water Sugar (sucrose) Oxygen gas Brass Distilled water 2.1 Define the term pure substance. (2) 2.2 Define the term compound. (2) 2.3 From the list above, write down the names of TWO substances that are: 2.3.1 Elements (2) 2.3.2 Compounds (2) 2.3.3 Mixtures (2) 2.4 Is salt water a HOMOGENEOUS or a HETEROGENEOUS mixture? Give a reason for the answer. (2) 2.5 A learner accidentally mixes iron filings, sand and table salt in a beaker. 2.5.1 How can the iron filings be removed from the mixture? (1) 2.5.2 Describe the steps that the learner should follow to separate the SAND from the SALT. (3) [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 Polokwane investigate which materials conduct electricity. They use rods of different materials that all have the SAME length and thickness. Each rod is connected in turn between crocodile clips X and Y in the circuit shown below. bulb A cell rod being tested X Y The results are shown in the table below. MATERIAL OF ROD AMMETER READING (A) DOES THE BULB GLOW? Copper 0,85 Yes – bright Aluminium 0,80 Yes – bright Graphite 0,40 Yes – dim Silicon 0,05 No Sulphur 0,00 No Plastic (PVC) 0,00 No 3.1 For this investigation, write down the: 3.1.1 Independent variable (1) 3.1.2 Dependent variable (1) 3.1.3 ONE controlled variable (1) 3.2 Write down an investigative question for this investigation. (2) 3.3 Which material is the BEST electrical conductor? (1) 3.4 Classify each of the following elements as a METAL, NON-METAL or METALLOID: copper, aluminium, silicon and sulphur. (4) 3.5 Graphite is a non-metal that conducts electricity. Of which element is graphite made? (1) 3.6 State TWO physical properties of metals, other than electrical conductivity. (2) 3.7 Copper is used for the electrical wiring in houses. Give TWO reasons why copper is suitable for this use. (2) 3.8 Silicon is a semiconductor. Name ONE device in which silicon is used. (1) 3.9 Explain why the handles of an electrician’s screwdriver are made of plastic. (2) [18] Copyright reserved Please turn over

Technical Sciences/P2 7 Hlayiso/Mock 2026 NSC Mock QUESTION 4 (Start on a new page.) 4.1 Define the term thermal conductor. (2) 4.2 Three rods of the SAME length and thickness, made of copper, aluminium and glass, pass through the side of a container so that one end of each rod is in boiling water. A drawing pin is attached to the other end of each rod with a small blob of candle wax, as shown below. copper boiling aluminium water glass hot plate wax and drawing pin The learners record how long it takes for each drawing pin to fall off: Rod Copper Aluminium Glass Time for pin to fall (s) 45 70 did not fall in 10 min 4.2.1 Which rod is the best thermal conductor? Give a reason for the answer. (2) 4.2.2 Why must all the rods have the same length and thickness? (1) 4.3 Cooking pots are made of metal, but their handles are made of wood or plastic. Explain why. (2) 4.4 Explain how ceiling insulation (e.g. glass wool) in the roof of a house helps to keep the house warm in winter. (2) 4.5 A learner holds a bar magnet near each of the following objects. Write down only YES or NO to indicate whether each object will be ATTRACTED by the magnet. (a) Iron nail (b) Aluminium cool-drink can (4) (c) Steel paper clip (d) Copper wire 4.6 Give ONE practical use of magnets in everyday life or in industry. (1) [14] Copyright reserved Please turn over

Technical Sciences/P2 8 Hlayiso/Mock 2026 NSC Mock QUESTION 5 (Start on a new page.) 5.1 Name the TWO types of subatomic particles that are found in the nucleus of an atom. (2) 5.2 Define the term mass number. (2) 5.3 Chlorine occurs naturally as two isotopes: 35 37 17Cℓ and 17Cℓ. 5.3.1 Define the term isotopes. (2) 5.3.2 Write down the numbers represented by (a) to (f) in the table below. Write only the letter and the number, e.g. (g) 12. (6) ISOTOPE PROTONS NEUTRONS ELECTRONS 35Cℓ (a) (b) (c) 17 37Cℓ (d) (e) (f) 17 5.3.3 The relative atomic mass of chlorine on the periodic table is 35,5. Explain why this value is NOT a whole number. (2) 5.4 A magnesium atom, 24 2+ 12Mg, forms the ion Mg . 5.4.1 Write down the number of electrons in ONE Mg2+ ion. (1) 5.4.2 Is Mg2+ a CATION or an ANION? (1) 5.4.3 Explain how a magnesium atom forms a Mg2+ ion. (2) 5.5 A neutral atom of element Z has 26 protons and 30 neutrons in its nucleus. 5.5.1 Write down the mass number of element Z. (1) 5.5.2 Use the periodic table to write down the NAME of element Z. (1) [20] Copyright reserved Please turn over

Technical Sciences/P2 9 Hlayiso/Mock 2026 NSC Mock QUESTION 6 (Start on a new page.) Use the periodic table on the DATA SHEET where necessary. Consider the following elements: Oxygen (O) Sodium (Na) Aluminium (Aℓ) Argon (Ar) 6.1 Define the term valence electrons. (2) 6.2 Draw an Aufbau diagram (orbital box diagram) for an OXYGEN atom. (3) 6.3 Write down the electron configuration (sp-notation) of: 6.3.1 An aluminium atom (2) 6.3.2 A chloride ion, Cℓ– (2) 6.4 For an ALUMINIUM atom, write down the number of: 6.4.1 Valence electrons (1) 6.4.2 Core electrons (1) 6.5 Write down the GROUP NUMBER and the PERIOD NUMBER of aluminium. (2) 6.6 Write down the name of the group to which sodium belongs. (1) 6.7 Argon is used in light bulbs and in welding because it is very unreactive. Explain, in terms of its electron configuration, why argon is unreactive. (2) 6.8 Sodium and potassium react in a similar way with water. Explain this by referring to their electron arrangement. (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 Define the term anion. (2) 7.2 Write down the NAMES of the following compounds: 7.2.1 Na2 SO4 (2) 7.2.2 NH4 Cℓ (2) 7.2.3 CuO (2) 7.3 Write down the CHEMICAL FORMULAE of the following compounds: 7.3.1 Calcium chloride (2) 7.3.2 Potassium oxide (2) 7.3.3 Iron(III) nitrate (2) 7.3.4 Ammonium sulphate (2) 7.4 Aluminium chloride dissolves in water to form ions. Write down the FORMULAE of the cation and the anion that are formed. (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 State the law of conservation of mass in words. (2) 8.2 Balance the following equations. Rewrite each balanced equation in the ANSWER BOOK. 8.2.1 H 2 + O 2 → H2 O (2) 8.2.2 Aℓ + O2 → Aℓ2 O3 (2) 8.2.3 CH4 + O2 → CO2 + H2 O (2) 8.3 How many oxygen ATOMS are represented by 2Aℓ2 O3 ? (1) 8.4 When magnesium ribbon is placed in hydrochloric acid, magnesium chloride and hydrogen gas are formed. Write down a balanced chemical equation for this reaction, using chemical formulae. (3) [12] Copyright reserved Please turn over

Technical Sciences/P2 12 Hlayiso/Mock 2026 NSC Mock QUESTION 9 (Start on a new page.) 9.1 Differentiate between heat and temperature. (4) 9.2 Convert the following temperatures: 9.2.1 37 ◦ C (normal body temperature) to kelvin (2) 9.2.2 77 K (boiling point of liquid nitrogen) to degrees Celsius (2) 9.3 Name ONE type of thermometer that a nurse can use to measure the body temperature of a patient. (1) 9.4 A learner heats 200 mℓ of water in a beaker on a hot plate and records the temperature of the water every minute. The results are shown below. Time (min) 0 1 2 3 4 5 Temperature (◦ C) 20 32 44 56 68 80 9.4.1 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) 9.4.2 Use the graph to determine the temperature of the water after 2,5 minutes. (1) [14] TOTAL: 150 Copyright reserved

Technical Sciences/P2 13 Hlayiso/Mock 2026 NSC Mock GRAPH SHEET FOR QUESTION 9.4.1 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