500 prompts matching "Fractional crystallisation and the uses made of it"
Spot my mistake: Leaving out the oxidation state where it is needed
Act as my SS1 Chemistry tutor. Show me a worked answer on leaving out the oxidation state
Real-life Nigeria: The gas laws in Nigerian diving and gas cylinders
Act as my SS1 Chemistry tutor. Show me where the gas laws in Nigerian diving and gas cylin
Practice set: Calculating the mass of product from the mass of reactant
Act as my SS1 Chemistry tutor. Give me five practice questions on calculating the mass of
Chemistry at work: Empirical and molecular formulae from composition data
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on empiri
Explain back: The methods of preparing a soluble salt
I have just studied the methods of preparing a soluble salt in my SS1 Chemistry class. Let
Calculation practice: Titration calculations and finding an unknown concentration
Act as my SS1 Chemistry tutor. Walk me through titration calculations and finding an unkno
Real-life Nigeria: The alkali metals and the halogens as families
Act as my SS1 Chemistry tutor. Show me where the alkali metals and the halogens as familie
Exam practice: Chromatography and how it works
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Exam practice: The laboratory preparation of hydrogen
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Explain back: The laboratory preparation of oxygen
I have just studied the laboratory preparation of oxygen in my SS1 Chemistry class. Let me
Teach me: Atomic structure and the mole concept reviewed
You are my personal SS1 Chemistry tutor. Teach me atomic structure and the mole concept re
Practice set: The electrolysis of acidified water
Act as my SS1 Chemistry tutor. Give me five practice questions on the electrolysis of acid
Spot my mistake: Confusing the anode with the cathode
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing the anode with the cat
Quiz me: Ionic bonding and how it forms
Act as my SS1 Chemistry tutor and quiz me on ionic bonding and how it forms. Ask five ques
Explain back: Covalent bonding and the electron pairs atoms share
I have just studied covalent bonding and the electron pairs atoms share in my SS1 Chemistr
Teach me: Exothermic and endothermic reactions
You are my personal SS1 Chemistry tutor. Teach me exothermic and endothermic reactions, us
Explain back: Activation energy and what it represents
I have just studied activation energy and what it represents in my SS1 Chemistry class. Le
Practice set: Enthalpy change and its sign convention
Act as my SS1 Chemistry tutor. Give me five practice questions on enthalpy change and its
Exam practice: Heat of reaction, of neutralisation and of combustion
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Giving an exothermic change a positive enthalpy
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an exothermic change a po