464 prompts matching "Comparing soap lather as a measure of hardness"
Explain back: Sulphur trioxide and the contact process
I have just studied sulphur trioxide and the contact process in my SS3 Chemistry class. Le
Spot my mistake: Adding water to concentrated sulphuric acid
Act as my SS3 Chemistry tutor. Show me a worked answer on adding water to concentrated sul
Chemistry at work: Sulphur dioxide and acid rain in Nigeria
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on sulphu
Explain back: Ammonia, its preparation and its properties
I have just studied ammonia, its preparation and its properties in my SS3 Chemistry class.
Practice set: The Haber process and the conditions it uses
Act as my SS3 Chemistry tutor. Give me five practice questions on the Haber process and th
Exam practice: Nitric acid, its manufacture and its reactions
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Treating dilute and concentrated nitric acid alike
Act as my SS3 Chemistry tutor. Show me a worked answer on treating dilute and concentrated
Real-life Nigeria: The nitrogen cycle and nitrogen fixation
Act as my SS3 Chemistry tutor. Show me where the nitrogen cycle and nitrogen fixation turn
Chemistry at work: Nitrogenous fertilisers in Nigerian farming
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on nitrog
Quiz me: The uses that follow from each carbon structure
Act as my SS3 Chemistry tutor and quiz me on the uses that follow from each carbon structu
Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
Act as my SS3 Chemistry tutor. Show me where carbonates, hydrogencarbonates and their reac
Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on carbon
Quiz me: Straight fertilisers and compound fertilisers
Act as my SS3 Chemistry tutor and quiz me on straight fertilisers and compound fertilisers
Exam practice: The NPK rating and how to read it
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Chemistry at work: Fertiliser production and distribution in Nigeria
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on fertil
Explain back: Variable oxidation state, and why it arises
I have just studied variable oxidation state, and why it arises in my SS3 Chemistry class.
Spot my mistake: Calling zinc a typical transition metal
Act as my SS3 Chemistry tutor. Show me a worked answer on calling zinc a typical transitio
Calculation practice: Working out the oxidation state in a complex ion
Act as my SS3 Chemistry tutor. Walk me through working out the oxidation state in a comple
Real-life Nigeria: Complex ion formation and the ligands involved
Act as my SS3 Chemistry tutor. Show me where complex ion formation and the ligands involve
Chemistry at work: Transition metals in Nigerian industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on transi