454 prompts matching "Forgetting to convert pressure units before calculating"
Exam practice: Solubility expressed in different units
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Practice set: Indicators and their working ranges
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Chemistry at work: Alkanes as feedstock for the petrochemical industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on alkane
Exam practice: The laboratory preparation and the tests for chlorine
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Spot my mistake: Adding water to concentrated sulphuric acid
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Spot my mistake: Expecting boiling to remove permanent hardness
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Exam practice: The NPK rating and how to read it
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Quiz me: The preliminary tests carried out on an unknown salt
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Quiz me: Testing for carbonate and for hydrogencarbonate
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Teach me: The standard solution and the primary standard
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Quiz me: The correct use of the pipette and the burette
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Real-life Nigeria: The sources of error in an acid-base titration
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Teach me: What makes a titration a redox titration
You are my personal SS3 Chemistry tutor. Teach me what makes a titration a redox titration
Quiz me: Potassium permanganate as a self-indicating titrant
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Real-life Nigeria: Determining the purity of a sample by redox titration
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Teach me: The electrochemical cell, and how it differs from an electrolytic one
You are my personal SS3 Chemistry tutor. Teach me the electrochemical cell, and how it dif
Quiz me: The standard electrode potential and what it measures
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Real-life Nigeria: The Daniell cell and the dry cell
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Teach me: Rate of reaction defined and measured
You are my personal SS3 Chemistry tutor. Teach me rate of reaction defined and measured, using a real Nigerian example so I actually understand it. Break the explanation into clear steps and check I have followed each one before moving on. Finish with one short question for me to try.
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