Physical Sciences Paper 2 (English)

November 2023 — Grade 12 / Matric — Physical Sciences

Past Paper 2023 Grade 12 English Physical Sciences Hub →

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🎯 150 marks ❓ 12 questions ⏱️ 3h 📄 16 pages 📝 69 items found 📚 6 topics

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2.1and

Q2— Section header —

Q1— Section header —

1.3Which ONE of the following is a HYDROLYSIS reaction? CH CH

1.5The diagram below represents a mixture of NO (g\and N (g\molecules at equilibrium in a 1 dm

1.6A reaction is at equilibrium in a closed container according to the following balanced equation: 4CuO(s\ 2Cu O(s\ + O

1.8The apparatus in the diagram below is used for the titration between (aq\ and

Q2— Section header —

2.1Define the term organic compound .2

2.3Write down the:

2.4Write down the letter(s\ of the compound(s\ that: 2. s a FUNCTIONAL

2.3.1STRUCTURAL formula of compound (2\

2.3.2STRUCTURAL formula of compound (3\

2.3.3General formula of the homologous series to which compound belongs (1\

2.3.4STRUCTURAL formula of the FUNCTIONAL group of compound (1\

2.3.5IUPAC name of the alcohol needed to produce compound (2\ CH

Q3— Section header —

3.1Define the term boiling point. (2\

3.2Write down the conclusion that can be made or curve (2\

3.3Explain the answer to

Q3— Section header —

3.4Curve represents the alcohols

3.4.1Which homologous series is represented by curve (1\

Q3— Section header —

3.6Two compounds, and used in th is investigation have a

Q4— Section header —

4.1Consider the cracking reaction below. 16 34

4.1.1 Define cracking

4.1.2 Write down the values represented by and in the equation above

4.1.3Using MOLECULAR FORMULAE write down the balanced equation for this reaction. (3\

4.2Consider the equations for reactions to II below. and

4.2.1efinition of positional isomer (2\

4.2.2ype of reaction represented by reaction (1\

4.2.3STRUCTURAL formula of compound

4.2.4ormula of (1\

4.2.5Inorganic reagent for reaction lll (1\ Compound can be converted directly to the organic product of reaction lll

4.2.6Besides heat, write down the reaction condition needed for this conversion (1\

4.2.7Write down TWO terms that describe th is type of reaction. (2\

Q5— Section header —

5.1Define reaction rate (2\

5.2Write down the independent variable for this investigation (1\

5.3Calculate the value of in the table

5.4When 0,21 g of sulphur has formed in Run , the cross

5.5Sketch the Maxwell Boltzmann distribution curve for the reaction at 20 C. Label this curve as

5.6Explain the effect of temperature on reaction rate in terms of the collision theory. (4\ 19 Flask Na

Q6— Section header —

6.2State Le Chatelier principle. (2\ 6. A change was made to the equilibrium mixture at

6.3.1 Write down the change made at t = 80 s. (1

6.3.2 Use Le Chatelier s principle to explain how the system reacts to this change.

6.4Calculate the equilibrium constant, K , at t = 120 s. (4\

6.5

6.5.1 raw a potential energy diagram for th is reaction

6.5

6.6

Q7— Section header —

7.1Define the term strong base (2\

7.2Calculate the:

7.2.1Number of moles of Ba(OH\ (aq\that reacted with the excess HNO (aq\ (3\

7.2.2pH of the solution after Step

7.3he percentage purity of the CO (s\ in the

Q8— Section header —

Q9— Section header —

9.1Define the term electrolysis (2\

9.2Write down the reaction taking place at electrode

9.3In which direction do the electrons flow in the external circuit Choose from

9.4Calculate the current needed to form g o copper

9.5During th is electrolysis, only copper and zinc are oxidised. Give a reason why the silver is not oxidised.

Topics Identified

MechanicsElectricityChemical BondingOrganic ChemistryElectrochemistryThermodynamics

Mark Allocation

Total150 marks

Sections20 + 18 + 12 = 50 marks

Paper information

SubjectPhysical Sciences

Year2023

SessionNovember

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages20

Downloads4

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2023

Days since exam1,084

About Physical Sciences examination preparation

Grade 12 Physical Sciences combines Physics and Chemistry. Paper 1 covers mechanics, electricity, waves, and optics, while Paper 2 focuses on chemical bonding, organic chemistry, and electrochemistry.

Every available Grade 12 Physical Sciences past paper and memorandum is collected in the Physical Sciences hub at physical-science.freemode.co.za — browse all years, sessions and languages in one place.

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applying scientific principles

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