Grade 11 Physical Sciences · Chemical Systems · Paper 2 (Chemistry)

Lithosphere Grade 11

Real Lithosphere past paper questions from 2018 to 2019 and practice questions, with each memo split into the ticks examiners give. Try one, mark yourself, and see exactly which skill cost you marks.

questions · 2 past paper, 9 practice
11 questions · 2 past paper, 9 practice
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Question 10.1 · November 2018 · Paper 2 · National (DBE) · 2 marks

Gold and iron extraction are important mining processes in South Africa. Refining takes place according to the following reactions:

Gold is dissolved using cyanide ions () to extract it from the ore:



Iron(III) oxide is burned in a furnace in the presence of CO:

10.1 Name TWO disadvantages of deep-shaft mining in comparison with open-cast mining.(2)

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  1. 4. Practice · Siyavula Grade 11 Physical Sciences · Ex 14.1 · 1 mark

    In Mapungubwe (in the Limpopo Province) there is evidence of gold mining in South Africa as early as 1200. Today, South Africa is a world leader in the technology of gold mining. The following flow diagram illustrates some of the most important steps in the recovery of gold from its ore.Diagram for this question
    (1) Name the process indicated by A.(1)
    Show the memo (1 tick)
    1. ✓
      Process AOxidation of gold by sodium cyanide solution.

      1 mark · Describe mining and mineral processing

    Question and solution adapted from Siyavula Education (CC BY 3.0)

  2. 5. Practice · Siyavula Grade 11 Physical Sciences · Ex 14.2 · 1 mark

    Give one word/term for each of the following descriptions:
    (a) The part of the Earth that includes the crust and in which all minerals are found.(1)
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    1. ✓
      TermLithosphere

      1 mark · Describe mining and mineral processing

    Question and solution adapted from Siyavula Education (CC BY 3.0)

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