250 prompts matching "The hazard symbols and what each of them warns of"
Explain back: The strength of an acid and the degree of ionisation
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Exam practice: The hydrolysis of salts and the pH that results
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Practice set: The apparatus of volumetric analysis and its correct use
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Chemistry at work: The accuracy demanded of an analytical chemist
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Explain back: The standard enthalpy of formation
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Practice set: The standard enthalpies of combustion and of neutralisation
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Exam practice: The energy profile diagram and activation energy
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Teach me: The collision theory of reaction rate
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Practice set: The effect of concentration and of pressure on equilibrium
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Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Chemistry at work: Cracking, and the making of petrol in Nigeria
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Teach me: What a polymer is, and what a monomer is
You are my personal SS2 Chemistry tutor. Teach me what a polymer is, and what a monomer is
Exam practice: The uses of each petroleum fraction
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Explain back: The role of limestone and the removal of slag
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Teach me: The octet rule, and why atoms seek a full outer shell
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Teach me: The metallic bond and the delocalised electrons
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Quiz me: The link between reactivity and the method of extraction
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Quiz me: Catenation and the tetravalency of carbon
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