500 prompts matching "How a catalyst lowers the activation energy"
Teach me: What a mixture is, and how it differs from a compound
You are my personal SS1 Chemistry tutor. Teach me what a mixture is, and how it differs fr
Teach me: Crystallisation, and how it purifies a solid
You are my personal SS1 Chemistry tutor. Teach me crystallisation, and how it purifies a s
Exam practice: The fractional distillation of crude oil
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Chemistry at work: Distillation in the Nigerian refining industry
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on distil
Quiz me: Paper chromatography and how it is carried out
Act as my SS1 Chemistry tutor and quiz me on paper chromatography and how it is carried ou
Exam practice: Magnetic separation and the use of a separating funnel
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Reading a chromatogram without marking the solvent front
Act as my SS1 Chemistry tutor. Show me a worked answer on reading a chromatogram without m
Explain back: How atomic number identifies an element
I have just studied how atomic number identifies an element in my SS1 Chemistry class. Let
Practice set: Working out the particles present in a given atom
Act as my SS1 Chemistry tutor. Give me five practice questions on working out the particle
Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
Act as my SS1 Chemistry tutor. Show me where radioactive isotopes and their uses in Nigeri
Chemistry at work: The historical models of the atom compared
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on the hi
Exam practice: Ionisation and the formation of cations and anions
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Giving an ion the same configuration as its parent atom
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an ion the same configura
Real-life Nigeria: Why some elements react vigorously and others hardly at all
Act as my SS1 Chemistry tutor. Show me where why some elements react vigorously and others
Chemistry at work: Electron configuration and the design of new materials
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on electr
Practice set: Writing the formulae of simple binary compounds
Act as my SS1 Chemistry tutor. Give me five practice questions on writing the formulae of
Exam practice: The common radicals and the charges they carry
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Writing a formula without balancing the charges
Act as my SS1 Chemistry tutor. Show me a worked answer on writing a formula without balanc
Chemistry at work: The international agreement behind chemical symbols
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on the in
Real-life Nigeria: The ionic equations behind Nigerian water treatment
Act as my SS1 Chemistry tutor. Show me where the ionic equations behind Nigerian water tre