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Explain how soap is made from fats.
Date posted:
April 12, 2019
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Explain how titration of acids and bases is done in the laboratory.
Date posted:
April 12, 2019
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Describe how magnesium metal reacts with carbon dioxide.
Date posted:
April 12, 2019
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Explain potassium permanganate is reduced by sulphur dioxide.
Date posted:
April 12, 2019
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How is sulphur dioxide prepared in the laboratory?
Date posted:
April 12, 2019
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Describe an experiment to show how hydrogen is displaced from acids by different metals.
Date posted:
April 12, 2019
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Describe how sodium reacts with water.
Date posted:
April 12, 2019
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Describe an experiment to show how copper is displaced from aqueous solution of copper ions.
Date posted:
April 12, 2019
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Describe the electrolysis of water.
Date posted:
April 12, 2019
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Describe the electrolysis of solutions of ionic salts.
Date posted:
April 12, 2019
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Describe the electrolysis of lead bromide.
Date posted:
April 12, 2019
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Describe how electrolysis is used to determine the salts which conduct electricity in solution form.
Date posted:
April 12, 2019
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Describe an experiment to show that some liquids conducts electricity.
Date posted:
April 12, 2019
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Explain how to identify Solids that conduct electricity in the laboratory.
Date posted:
April 12, 2019
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Describe an experiment to estimate the size of an oil molecule.
Date posted:
April 12, 2019
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Describe an experiment to show how diffusion in liquids occurs.
Date posted:
April 12, 2019
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Explain how the diffusion rates of ammonia and hydrogen chloride gases can be compared.
Date posted:
April 12, 2019
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Describe an experiment to show how diffusion of a heavy carbon dioxide gas occur in an upward direction.
Date posted:
April 12, 2019
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Describe various experiments to show how crystals grow.
Date posted:
April 12, 2019
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Explain how plant extracts can be used to indicate whether a substance is acidic or basic.
Date posted:
April 12, 2019
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Describe how you can extract coloured substances from plants.
Date posted:
April 12, 2019
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Give an experimental procedure to investigate what combines with iron during rusting.
Date posted:
April 12, 2019
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Describe an experiment to determine the conditions for rusting and to establish the best metal which can be used to prevent rusting among zinc, copper and tin.
Date posted:
April 12, 2019
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Explain how carbon dioxide is used in cooking.
Date posted:
April 12, 2019
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Describe how Carbon dioxide is prepared,collected and tested in the laboratory.
Date posted:
April 12, 2019
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Describe how Ammonia gas is prepared,collected and tested in the laboratory.
Date posted:
April 12, 2019
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Describe how Hydrogen chloride gas is prepared,collected and tested in the laboratory.
Date posted:
April 12, 2019
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Describe how Oxygen gas is prepared,collected and tested in the laboratory.
Date posted:
April 12, 2019
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Describe how Hydrogen gas is prepared,collected and tested in the laboratory.
Date posted:
April 12, 2019
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Describe experimental procedures to show the effect of heating substances.
Date posted:
April 12, 2019