500 prompts matching "Fractional crystallisation and the uses made of it"
Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
Act as my SS3 Chemistry tutor. Show me where equilibrium in the manufacture of ammonia and
Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che
Calculation practice: Calculating the quantity of dye needed for a given fabric
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Explain back: The setting and hardening of cement
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Calculation practice: Calculating the quantity of raw material for a cement batch
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Quiz me: The three kinds of radiation and their properties
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Chemistry at work: The hazards of radiation and the precautions taken
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Calculation practice: Deducing the identity of a salt from a full test sequence
Act as my SS3 Chemistry tutor. Walk me through deducing the identity of a salt from a full
Chemistry at work: Sources of error, and how candidates should discuss them
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Teach me: The subatomic particles and the structure of the atom
You are my personal SS3 Chemistry tutor. Teach me the subatomic particles and the structur
Explain back: The filling of energy levels and sublevels
I have just studied the filling of energy levels and sublevels in my SS3 Chemistry class.
Exam practice: The configuration of an ion compared with that of its atom
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Chemistry at work: Periodicity in the design of new materials
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Chemistry at work: Bonding and the strength of engineering materials
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Quiz me: The factors that affect the solubility of a solute
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Explain back: The ionic product of water and the pH scale
I have just studied the ionic product of water and the pH scale in my SS3 Chemistry class.
Explain back: The hydrolysis of a salt of a weak acid and a strong base
I have just studied the hydrolysis of a salt of a weak acid and a strong base in my SS3 Ch
Chemistry at work: Hydrolysis and the choice of fertiliser
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Explain back: The physical properties of the alkanes and their trends
I have just studied the physical properties of the alkanes and their trends in my SS3 Chem
Calculation practice: Calculating the products of complete and incomplete combustion
Act as my SS3 Chemistry tutor. Walk me through calculating the products of complete and in