250 prompts matching "Reading chemical formulae on Nigerian packaging"
Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Practice set: Homogeneous and heterogeneous catalysis
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Quiz me: The characteristics of a system at equilibrium
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Explain back: Le Chatelier's principle stated
I have just studied Le Chatelier's principle stated in my SS2 Chemistry class. Let me expl
Quiz me: The factors that affect solubility
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Practice set: The solubility curve, and how to read it
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Exam practice: Solubility product and sparingly soluble salts
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Quiz me: What causes temporary and what causes permanent hardness
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Explain back: The methods of softening hard water
I have just studied the methods of softening hard water in my SS2 Chemistry class. Let me
Practice set: The stages of municipal water treatment
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Exam practice: The tests for water purity
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Spot my mistake: Proposing boiling as a cure for permanent hardness
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Quiz me: The major air pollutants and where they come from
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Practice set: The greenhouse effect and global warming
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Quiz me: Volumetric analysis reviewed
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Practice set: The homologous series and its general features
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Quiz me: The physical properties of the alkanes
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Practice set: The alkenes, their general formula and their structure
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Practice set: The alkanoic acids, their general formula and their naming
Act as my SS2 Chemistry tutor. Give me five practice questions on the alkanoic acids, thei