250 prompts matching "Recording readings to the correct number of decimal places"
Calculation practice: Calculating the yield of an esterification
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of an esterification
Teach me: The origin and composition of crude oil
You are my personal SS2 Chemistry tutor. Teach me the origin and composition of crude oil,
Calculation practice: Calculating the yield of a named fraction
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of a named fraction a
Spot my mistake: Proposing a higher temperature to raise the ammonia yield
Act as my SS2 Chemistry tutor. Show me a worked answer on proposing a higher temperature t
Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Spot my mistake: Describing limestone as the reducing agent
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Calculation practice: Calculating the mass of iron from a mass of ore
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Chemistry at work: The benefits and the hazards of nuclear chemistry
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the be
Quiz me: The raw materials Nigeria supplies to its own industries
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Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Exam practice: The structures of diamond, graphite and silica
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Exam practice: The extraction of iron in the blast furnace
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Exam practice: The halogens as a family of non-metals
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Practice set: Making sulphur dioxide in the laboratory and testing it
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Real-life Nigeria: Linking bonding, structure and properties together
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Exam practice: The hydrolysis of salts and the pH that results
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Exam practice: Finding the concentration of an unknown alkali
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