# Physical Sciences Grade 10 P2 Gauteng June 2022 Memo (Eng) > Grade 10 Physical Sciences Paper 2 memorandum from the Gauteng June 2022 (English), 5 pages. Read online or download the free PDF. - Page: https://www.hlayiso.com/library/gr10-ps-p2-eng-june-2022-possible-answers/1d002ade-c491-4ad3-a37a-f111e198d6b3 - Updated: 2026-09-27 - Subject: Physical Sciences - Grade: Grade 10 - Document type: Memorandum - Year: 2022 - Exam period: Gauteng June - Paper: 2 - Curriculum: CAPS - Pages: 5 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 June 2022 Memo (Eng)](https://www.hlayiso.com/library/gr10-ps-p2-eng-june-2022-possible-answers/1d002ade-c491-4ad3-a37a-f111e198d6b3) ## About this document Physical Sciences · Grade 10 · Gauteng June · 2022. Memorandum, 5 pages. 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Layout, diagrams and tables may not survive extraction. ### Page 1 Downloaded from hlayiso.com PROVINCIAL EXAMINATION JUNE 2022 GRADE 10 MARKING GUIDELINES PHYSICAL SCIENCES (CHEMISTRY) (PAPER 2) 5 pages ### Page 2 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) MARKING GUIDELINES (Paper 2) GRADE 10 QUESTION 1: MULTIPLE-CHOICE QUESTIONS 1.1 C ✓✓ (2) 1.2 B ✓✓ (2) 1.3 B ✓✓ (2) 1.4 D ✓✓ (2) 1.5 A ✓✓ (2) [10] QUESTION 2 2.1 A thermal conductor allows heat to pass through easily whereas an electrical conductor allows electric current/electric charges to pass through easily. ✓✓ (2) 2.2 2.2.1 Copper ✓ or nickel (1) 2.2.2 Nickel ✓ (1) 2.2.3 Carbonated water ✓ (1) 2.2.4 Glass ✓or air or Carbon dioxide (1) [6] 2 ### Page 3 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) MARKING GUIDELINES (Paper 2) GRADE 10 QUESTION 3 3.1 The temperature at which the vapour pressure of the substance equals the atmospheric pressure. ✓✓ (2) 3.2 Thermometer ✓ (1) 3.3 Time ✓ (1) 3.4 Graph of temperature against time 90 80 80 70 temperature 60 (°C) 50 40 30 20 10 0 l l l l l l l l -10 5 10 15 20 25 30 35 40 time (min) ✓Heading ✓Axes quantity and unit ✓Intervals ✓Plot ✓Best fit line (5) 3.5 The water is boiling/has reached boiling point/Evaporation. ✓ (1) 3.6 The temperature is constant meaning that the liquid is changing into steam. ✓ The kinetic energy stays constant. ✓ The potential energy is increasing. ✓ (3) [13] 3 ### Page 4 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) MARKING GUIDELINES (Paper 2) GRADE 10 QUESTION 4 4.1 Atoms of the same element having the same number of protons, but different numbers of neutrons. ✓✓ (2) 4.2 4.2.1 1✓ (1) 4.2.2 0✓ (1) 4.2.3 2✓ (1) 4.2.4 1✓ (1) (99,985 𝑥 1)+(0,015 𝑥2)✓ 4.3 Ar(H) = = 1,00015✓ 100✓ (3) [9] 4 ### Page 5 Downloaded from hlayiso.com PHYSICAL SCIENCES (CHEMISTRY) MARKING GUIDELINES (Paper 2) GRADE 10 QUESTION 5 5.1 Covalent bond ✓, the sharing of electrons between hydrogen and oxygen to form a water molecule. ✓ (2) 5.2 ✓n=1 ✓n = 2 (2) 5.3 1s2 ✓2s2 2p6 ✓ (2) 5.4 ✓ 6 valence electrons around each O ✓ double bond (2) [8] QUESTION 6 6.1 Energy needed per mole to remove an electron(s) from an atom in the gaseous phase. ✓✓ (2) 6.2 He has a higher ionisation energy than Ne ✓ because He is a smaller atom than Ne ✓ or the energy needed to remove an electron from He is more or the protons of He have a greater attraction force on the electrons than on Ne. 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