Uploaded by manunglucas

GR 11 P SCI PAPER 2 JUNE EXAM DEMARCATION 14 JUNE 2023

advertisement
DEMARCATION FOR GRADE 11 JUNE EXAMINATION PAPER 2
PHYSICAL SCIENCES
Time: 120 MIN
ON 14 JUNE 2023
135 marks
PLEASE STUDY THE FOLLOWING CAREFULLY:
According to the SAG DOCUMENT:
A. c
1. Balanced chemical equations.
2. The mole concept.
3. Molar volume of gasses
4. Concentration of solutions
5. Stoichiometric calculations
B. CHEMICAL BONDING
1. Intramolecular bonds only (up to metallic bonding). (NO intermolecular bonding)
2. Physical properties - NO
C. ENERGY CHANGES AND RATES OF REACTIONS
1. Energy changes in reactions
2. Activation energy
3. Rates of reactions - NO
D. CHEMICAL EQUILIBRIUM - NO
E. ACIDS AND BASES
1. Ionisation, dissociation and strength of acids and bases
2. Conjugate acid-base pairs
3. Kw, Ka, Kb and pH - NO
4. Acid base reactions, (titrations and hydrolysis – NO)
Definition of a salt,
Writing balanced equations for acid reactions and
Identification of the acid and the base that will produce a salt. - ONLY
F. ELECTROCHEMISTRY - NO
G. ORGANIC CHEMISTRY - NO
PAPER LAYOUT:
General instructions
 Read the questions carefully.
 Answer All questions on the question paper and hand it in at the end of the examination.
 Unless instructed otherwise, you do NOT have to give state symbols (phase indicators) when
asked to write a balances chemical equation.
 Use the data and formulae whenever necessary.
 Show all the necessary steps in calculations.
 Where appropriate, take your answer to two decimal places.
 It is in your own interest to write legibly and to present your work neatly.
QUESTION 1 – MULTIPLE CHOICE QUESTIONS
Choose the correct answer from 3 distractors.
QUESTION 2 AND CONTINUE
Longer questions that assess all work according to
demarcation above and cognitive levels.
Total Paper:
All the best!!!!!
10 x 2 = 20
115
135
Download