Q1 MCQ Drill: 2023 Physical Sciences P2 (2023 Oct/Nov Final NSC (National DBE))

Physical Sciences Past Paper Question 1 Drill Level 1: Knowledge & Recall

6:00

4 multiple-choice questions taken verbatim from Section A of the official 2023 Oct/Nov Final NSC (National DBE) Physical Sciences Paper 2, auto-marked against the official marking guideline. Questions that rely on diagrams or graphs are excluded - see the full paper for those.

Question 1 of 4 2 Marks

Which ONE of the following represents a straight chain SATURATED hydrocarbon?

A. C5H8

B. C5H10

C. C6H12

D. C6H14

Question 2 of 4 2 Marks

Which ONE of the following is a SECONDARY alcohol?

A. C(CH3)3OH

B. CH3(CH2)3OH

C. CH3(CH2)2CHO

D. CH3CH2CH(OH)CH3

Question 3 of 4 2 Marks

Which ONE of the following is a HYDROLYSIS reaction?

A. CH3CH2Br + H2O ✓ CH3CH2OH + HBr

B. CH3CH2OH + HBr ✓ CH3CH2Br + H2O

C. CH2CH2 + H2O ✓ CH3CH2OH

D. CH2CH2 + H2 ✓ CH3CH3

Question 4 of 4 2 Marks

Nitric acid, HNO3(aq), and ethanoic acid, CH3COOH(aq), of equal volumes and concentrations are compared. Consider the following statements regarding these solutions: (i) They have different pH values. (ii) Both have the same electrical conductivity. (iii) Both solutions require the same number of moles of KOH(aq) for complete neutralisation. Which of the above statement(s) is/are TRUE?

A. (i) only

B. (i) and (ii) only

C. (i) and (iii) only

D. (ii) and (iii) only

Q1 MCQ Drill: 2023 Physical Sciences P2 (2023 Oct/Nov Final NSC (National DBE))

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