250 prompts matching "Changes of state and the names given to them"
Practice set: The standard enthalpies of combustion and of neutralisation
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Practice set: The effect of concentration and of pressure on equilibrium
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Teach me: The nature of a solution and the process of dissolving
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Teach me: The sources and impurities of natural water
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Teach me: The composition and the layers of the atmosphere
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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.
Quiz me: Catenation and the tetravalency of carbon
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Chemistry at work: Cracking, and the making of petrol in Nigeria
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Teach me: The origin and composition of crude oil
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Chemistry at work: The benefits and the hazards of nuclear chemistry
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Teach me: The octet rule, and why atoms seek a full outer shell
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Exam practice: The structures of diamond, graphite and silica
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Practice set: Making sulphur dioxide in the laboratory and testing it
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Real-life Nigeria: Linking bonding, structure and properties together
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Exam practice: The hydrolysis of salts and the pH that results
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Exam practice: The energy profile diagram and activation energy
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