241 prompts matching "Checking that an equation balances by counting atoms"
Exam practice: Nuclear fission and nuclear fusion distinguished
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Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Exam practice: The paint and textile industries in Nigeria
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Calculation practice: Calculating output and efficiency for a plant
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Teach me: Organic chemistry at SS2 level reviewed
You are my personal SS2 Chemistry tutor. Teach me organic chemistry at SS2 level reviewed,
Quiz me: Polymers, petroleum and petrochemicals reviewed
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Real-life Nigeria: Equilibrium in the Haber process
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Real-life Nigeria: Gas flaring in the Niger Delta
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Real-life Nigeria: The SS2 Chemistry topics I still need to practise
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Practice set: The formation of a covalent bond in a simple molecule
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Spot my mistake: Predicting ionic character from electronegativity difference
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Exam practice: Identifying the species oxidised in a reaction
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Teach me: The general physical properties of metals
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Quiz me: Where the metals sit in the periodic table
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Exam practice: The extraction of iron in the blast furnace
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Teach me: The general physical properties of non-metals
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Quiz me: Where the non-metals sit in the periodic table
Act as my SS2 Chemistry tutor and quiz me on where the non-metals sit in the periodic tabl