426 prompts matching "Fractional crystallisation and purification"
Explain back: The limiting reagent, and how to identify it
I have just studied the limiting reagent, and how to identify it in my SS1 Chemistry class
Exam practice: Percentage yield, and why it falls short of a hundred
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Chemistry at work: Empirical and molecular formulae from composition data
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on empiri
Teach me: What an acid is, and how acids behave
You are my personal SS1 Chemistry tutor. Teach me what an acid is, and how acids behave, 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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Quiz me: Strong acids and weak acids
Act as my SS1 Chemistry tutor and quiz me on strong acids and weak acids. Ask five questio
Explain back: What a base is, and what an alkali is
I have just studied what a base is, and what an alkali is in my SS1 Chemistry class. Let m
Practice set: The reactions of acids with metals and with carbonates
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Exam practice: The pH scale and what it measures
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Real-life Nigeria: Acids and bases in Nigerian food and cleaning
Act as my SS1 Chemistry tutor. Show me where acids and bases in Nigerian food and cleaning
Teach me: What a salt is, and how salts are classified
You are my personal SS1 Chemistry tutor. Teach me what a salt is, and how salts are classi
Quiz me: Normal salts, acid salts and basic salts
Act as my SS1 Chemistry tutor and quiz me on normal salts, acid salts and basic salts. Ask
Exam practice: Neutralisation and the reaction it describes
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Calculation practice: Titration calculations and finding an unknown concentration
Act as my SS1 Chemistry tutor. Walk me through titration calculations and finding an unkno
Real-life Nigeria: Salts in Nigerian agriculture and food
Act as my SS1 Chemistry tutor. Show me where salts in Nigerian agriculture and food turns
Quiz me: Groups and periods, and what each tells you
Act as my SS1 Chemistry tutor and quiz me on groups and periods, and what each tells you.
Exam practice: The trend in metallic and non-metallic character
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Real-life Nigeria: The alkali metals and the halogens as families
Act as my SS1 Chemistry tutor. Show me where the alkali metals and the halogens as familie
Teach me: Mixtures and pure substances distinguished
You are my personal SS1 Chemistry tutor. Teach me mixtures and pure substances distinguish
Quiz me: Filtration, and when it is the right method
Act as my SS1 Chemistry tutor and quiz me on filtration, and when it is the right method.
Exam practice: Chromatography and how it works
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions