250 prompts matching "Ion exchange and the softening of water"
Quiz me: Alpha, beta and gamma emission compared
Act as my SS2 Chemistry tutor and quiz me on alpha, beta and gamma emission compared. Ask
Exam practice: Nuclear fission and nuclear fusion distinguished
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Calculation practice: Calculating the amount remaining after several half-lives
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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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Spot my mistake: The errors most often made in third-term SS2 Chemistry
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Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Chemistry at work: The petrochemicals made from oil and gas
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Explain back: Why the chosen conditions are a compromise
I have just studied why the chosen conditions are a compromise in my SS2 Chemistry class.
Exam practice: Measuring rate by volume of gas or by loss of mass
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Exam practice: Single, double and triple covalent bonds
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Spot my mistake: Predicting ionic character from electronegativity difference
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Quiz me: The properties that metallic bonding explains
Act as my SS2 Chemistry tutor and quiz me on the properties that metallic bonding explains
Practice set: Giant structures and simple molecular structures compared
Act as my SS2 Chemistry tutor. Give me five practice questions on giant structures and sim