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Higher Chemistry 2023 Paper 1

SQA / Qualifications Scotland · 25 multiple-choice questions · 25 marks

Free Higher Chemistry 2023 Paper 1 past paper questions with the SQA marking scheme and video worked solutions. Here are 5 of the 25 questions; every question, answer and video for this paper is in the free question bank.

5 of 25 questions

  1. Q1

    1. Which of the following compounds has the least ionic character? A Sodium iodide B Sodium fluoride C Potassium iodide D Potassium fluoride
    Open question →
    • Higher
    • 2023
    • Paper 1
    • 1 mark
    • Structure and bonding

  2. Q2

    2. In which of the following compounds would hydrogen bonding not occur? A H C N H B H C O H C H C N C H D H C O C H
    Open question →
    • Higher
    • 2023
    • Paper 1
    • 1 mark
    • Structure and bonding

  3. Q3

    3. Fats are formed from glycerol molecules and fatty acid molecules. The mole ratio of glycerol molecules to fatty acid molecules is A 1 : 2 B 2 : 1 C 1 : 3 D 3 : 1
    Open question →
    • Higher
    • 2023
    • Paper 1
    • 1 mark
    • Esters, fats and oils

  4. Q4

    4. A reaction was carried out as shown in the energy diagram. potential energy (kJ mol - 1 ) 250 200 150 100 50 0 reaction path Which of the following has a value of 150 kJ mol - 1 ? A Activation energy of the reverse reaction B Enthalpy change of the reverse reaction C Activation energy of the forward reaction D Enthalpy change of the forward reaction
    Open question →
    • Higher
    • 2023
    • Paper 1
    • 1 mark
    • Controlling the rate
    • Chemical energy

  5. Q5

    5. The graph shows how the rate of a reaction varies with the concentration of one of the reactants. 0.5 0.4 rate (1/t) (s - 1 ) 0.3 0.2 0.1 0 0.25 0.50 0.75 1.00 1.25 concentration (mol l - 1 ) What was the concentration, in mol l - 1 , when the reaction time was 10 s? A 0.04 B 0.10 C 0.25 D 0.40
    Open question →
    • Higher
    • 2023
    • Paper 1
    • 1 mark
    • Controlling the rate

About Higher Chemistry 2023 Paper 1

Where can I find the Higher Chemistry 2023 Paper 1 marking scheme?

Press Show answer under each question above to see the SQA marking instructions for it. The marking scheme for all 25 questions of Higher Chemistry 2023 Paper 1 is in the free Rishi Subjects question bank.

Are there video solutions for Higher Chemistry 2023 Paper 1?

Yes. Worked video solutions from Miss Adams, Andrew Hay and Mr Magee open under the questions above, and the question bank has the video walkthroughs available for the rest of the paper.

How many questions are in Higher Chemistry 2023 Paper 1?

Higher Chemistry 2023 Paper 1 has 25 multiple-choice questions worth 25 marks. 5 of them are free to try on this page.

What topics are in Higher Chemistry 2023 Paper 1?

The questions on this page cover Structure and bonding, Esters, fats and oils, Controlling the rate, Chemical energy. Every question in the bank is tagged by topic, so you can also practise each topic across all Higher Chemistry past papers.