Subsection 7.3. Preparation of salts for Chemistry, IGCSE - revisedeck

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7.3. Preparation of salts

A subsection of Chemistry, 0620, through 7. Acids, bases and salts

Listing 10 of 150 questions

Which two processes are involved in the preparation of magnesium sulfate from dilute sulfuric acid and an excess of magnesium oxide?

0620_m15_qp_12

MCQ

2015

Paper 1, Variant 2

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A salt is made by adding an excess of an insoluble metal oxide to an acid. How is the excess metal oxide removed from the mixture?

0620_m16_qp_12

MCQ

2016

Paper 1, Variant 2

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A salt is made by adding an excess of an insoluble metal oxide to an acid. How is the excess metal oxide removed from the mixture?

0620_m16_qp_22

MCQ

2016

Paper 2, Variant 2

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The diagram shows the steps in the preparation of a salt. step 1 step 2 step 3 step 4 Which salt is prepared by this method?

0620_m17_qp_12

MCQ

2017

Paper 1, Variant 2

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The diagram shows the steps in the preparation of a salt. step 1 step 2 step 3 step 4 Which salt is prepared by this method?

0620_m17_qp_22

MCQ

2017

Paper 2, Variant 2

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Which method is used to make the salt copper(sulfate?

0620_m18_qp_12

MCQ

2018

Paper 1, Variant 2

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Which method is used to make the salt copper(sulfate?

0620_m18_qp_22

MCQ

2018

Paper 2, Variant 2

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Copper(sulfate crystals are blue. They are made by adding an excess of copper(oxide to sulfuric acid. The mixture is heated and stirred. It is then filtered and the filtrate is allowed to evaporate, leaving blue crystals. Why is filtration necessary?

0620_m19_qp_12

MCQ

2019

Paper 1, Variant 2

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Four stages used to prepare an insoluble salt are listed. drying filtration precipitation washing In which order are the stages done?

0620_m19_qp_22

MCQ

2019

Paper 2, Variant 2

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The following substances can be reacted together to prepare salts. copper(oxide and excess hydrochloric acid hydrochloric acid and excess sodium hydroxide hydrochloric acid and excess zinc carbonate In which reactions can the excess reactant be separated from the solution by filtration?

0620_m20_qp_12

MCQ

2020

Paper 1, Variant 2

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Questions Discovered

150