427 prompts matching "Straight fertilisers and compound fertilisers"
Practice set: The properties and uses of oxygen
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Spot my mistake: Treating air as a compound rather than a mixture
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Practice set: Acids, bases and salts reviewed
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Practice set: Oxidation numbers and how to assign them
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Practice set: Drawing dot-and-cross diagrams
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Spot my mistake: Describing a covalent compound as conducting when molten
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Practice set: Enthalpy change and its sign convention
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Practice set: The effect of temperature and surface area on rate
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Practice set: Amorphous carbon and the forms it takes
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Practice set: Carbonates and hydrogencarbonates
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Practice set: Soil pollution and the effects it has
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Practice set: Drugs and medicines and their chemical basis
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Practice set: Decantation, and when it is appropriate
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Calculation practice: Predicting the formula of a compound from group numbers
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Spot my mistake: Showing electron transfer in a covalent compound
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Calculation practice: Predicting a compound's formula from the bonding type
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Practice set: How structure determines melting and boiling point
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Practice set: The pressure law and its graph
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Practice set: Molar volume and its value at s.t.p.
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