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Higher Chemistry 2018 Paper 1

SQA / Qualifications Scotland · 20 multiple-choice questions · 20 marks

Free Higher Chemistry 2018 Paper 1 past paper questions with the SQA marking scheme and video worked solutions. Here are 5 of the 20 questions; every question, answer and video for this paper is in the free question bank.

5 of 20 questions

  1. Q1

    1. The potential energy diagram below refers to the reversible reaction involving reactants R and products P . 90 80 70 60 Potential P 50 energy R 40 (kJ mol - 1 ) 30 20 10 0 Reaction pathway What is the enthalpy change, in kJ mol - 1 , for the reverse reaction? - 40 A - 10 B + 10 C + 30 D
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    • 2018
    • Paper 1
    • 1 mark
    • Chemical energy

  2. Q2

    2. The relative rate of a reaction which reached completion in 1 minute 40 seconds is 0·010 s⁻¹ A 0·714 s⁻¹ B 0·010 min - 1 C 0·714 min - 1 . D
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    • 2018
    • Paper 1
    • 1 mark
    • Controlling the rate

  3. Q3

    3. T 1 T 2 Number of molecules E A Kinetic energy of molecules Which of the following is the correct interpretation of the above energy distribution diagram for a reaction as the temperature decreases from T 2 to T 1 ? Activation energy (E A ) Number of successful collisions A remains the same increases B decreases C decreases increases D remains the same decreases
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    • Higher
    • 2018
    • Paper 1
    • 1 mark
    • Controlling the rate

  4. Q4

    4. The table shows the first three ionisation energies of aluminium. Ionisation energy (kJ mol - 1 ) First Second Third 578 1817 2745 Using this information, what is the enthalpy change, in kJ mol - 1 , for the following reaction? Al + (g) ↓ Al 3 + (g) + 2e - A 1817 B 2395 C 4562 D 5140
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    • Higher
    • 2018
    • Paper 1
    • 1 mark
    • Periodicity

  5. Q5

    5. An element contains covalent bonding and London dispersion forces. The element could be A boron B neon C sodium D sulfur.
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    • Higher
    • 2018
    • Paper 1
    • 1 mark
    • Periodicity
    • Structure and bonding

About Higher Chemistry 2018 Paper 1

Where can I find the Higher Chemistry 2018 Paper 1 marking scheme?

Press Show answer under each question above to see the SQA marking instructions for it. The marking scheme for all 20 questions of Higher Chemistry 2018 Paper 1 is in the free Rishi Subjects question bank.

Are there video solutions for Higher Chemistry 2018 Paper 1?

Yes. Worked video solutions from Miss Adams, Andrew Hay and Mrs Stobo 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 2018 Paper 1?

Higher Chemistry 2018 Paper 1 has 20 multiple-choice questions worth 20 marks. 5 of them are free to try on this page.

What topics are in Higher Chemistry 2018 Paper 1?

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