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Card 16

Front

What is an alkali?

Back

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Card 17

Front

Name a metal other than zinc that can safely react with an acid to produce a salt.

Back

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Card 18

Front

Why do we add excess of the base when making a salt?

Back

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Card 19

Front

What compound is produced in every neutralisation reaction?

Back

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Card 20

Front

Zinc Carbonate is insoluble in water. What would happen when sodium carbonate solution is added to zinc sulfate solution?

Back

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Card 21

Front

What must be done to ionic compounds before they can be electrolysed?

Back

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Card 22

Front

Molten zinc chloride is electrolysed. Name the substances produced (a) at the positive electrode and (b) at the negative electrode.

Back

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Card 23

Front

What type of change happens at the negative electrode when sodium ions become sodium atoms?

Back

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Card 24

Front

Complete the half equation for the formation of Chlorine at a positive electrode: 2CL- --> ... + ...

Back

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Card 25

Front

Name the products at (a) the positive and (b) the negative electrodes when aqueous copper sulfate solution is electrolsed using carbon electrodes.

Back

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