Subsection 12.4. Separation and purification for Chemistry, O Level - revisedeck

12.4. Separation and purification

A subsection of Chemistry, 5070, through 12. Experimental techniques and chemical analysis

Listing 10 of 26 questions

In which method of separation are Rf values used?

5070_s13_qp_11

MCQ

2013

Paper 1, Variant 1

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Which mixture could best be separated by using a separating funnel?

5070_s13_qp_12

MCQ

2013

Paper 1, Variant 2

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Which of these processes can be used to purify water containing insoluble impurities?

5070_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Which process is suitable for obtaining the water from an aqueous solution of sugar?

5070_s14_qp_12

MCQ

2014

Paper 1, Variant 2

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Which statement about methods of purification and analysis is correct?

5070_s20_qp_11

MCQ

2020

Paper 1, Variant 1

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Which methods of separation require a change of state from liquid to gas?

5070_s20_qp_12

MCQ

2020

Paper 1, Variant 2

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Which sequence of procedures is used to separate a pure, dry sample of hydrated copper(sulfate, CuSO4•5H2O, from a mixture containing hydrated copper(sulfate and calcium carbonate, CaCO3?

5070_s21_qp_11

MCQ

2021

Paper 1, Variant 1

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Which separation method would give pure samples of both substances from the mixture?

5070_s21_qp_12

MCQ

2021

Paper 1, Variant 2

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Four mixtures, each containing two substances, are shown...

5070_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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Which method should be used to make a pure sample of potassium chloride?

5070_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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Questions Discovered

26