Section 12. Experimental techniques and chemical analysis for Chemistry, IGCSE - revisedeck

12. Experimental techniques and chemical analysis

A section of Chemistry, 0620

Listing 10 of 677 questions

Which method is most suitable to obtain zinc carbonate from a suspension of zinc carbonate in water?

0620_s12_qp_11

MCQ

2012

Paper 1, Variant 1

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Which method is most suitable to obtain zinc carbonate from a suspension of zinc carbonate in water?

0620_s12_qp_13

MCQ

2012

Paper 1, Variant 3

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Alcohol and water are completely miscible. This means when mixed together they form only one liquid layer. Which method is used to separate alcohol from water?

0620_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Which two methods can be used to separate a salt from its solution in water?

0620_s14_qp_12

MCQ

2014

Paper 1, Variant 2

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Alcohol and water are completely miscible. This means when mixed together they form only one liquid layer. Which method is used to separate alcohol from water?

0620_s14_qp_13

MCQ

2014

Paper 1, Variant 3

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Which process is used to make lime (calcium oxide) from limestone (calcium carbonate)?

0620_s16_qp_13

MCQ

2016

Paper 1, Variant 3

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Which process is used to make lime (calcium oxide) from limestone (calcium carbonate)?

0620_s16_qp_23

MCQ

2016

Paper 2, Variant 3

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Copper(sulfate is prepared by adding excess copper(oxide to warm dilute sulfuric acid. Which purification methods are used to obtain pure solid copper(sulfate from the reaction mixture?

0620_s21_qp_11

MCQ

2021

Paper 1, Variant 1

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Copper(sulfate is prepared by adding excess copper(oxide to warm dilute sulfuric acid. Which purification methods are used to obtain pure solid copper(sulfate from the reaction mixture?

0620_s21_qp_21

MCQ

2021

Paper 2, Variant 1

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Give the name of the process that is used: to produce ammonia from nitrogen to separate nitrogen from liquid air to produce bromine from molten lead(bromide to separate an undissolved solid from an aqueous solution to produce amino acids from proteins to separate a mixture of amino acids.

0620_s21_qp_41

THEORY

2021

Paper 4, Variant 1

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