500 prompts matching "Working out the change in oxidation number"
Spot my mistake: Using an unbalanced equation in a stoichiometry calculation
Act as my SS1 Chemistry tutor. Show me a worked answer on using an unbalanced equation in
Explain back: What a base is, and what an alkali is
I have just studied what a base is, and what an alkali is in my SS1 Chemistry class. Let m
Practice set: The reactions of acids with metals and with carbonates
Act as my SS1 Chemistry tutor. Give me five practice questions on the reactions of acids w
Exam practice: The pH scale and what it measures
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Confusing a strong acid with a concentrated one
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing a strong acid with a c
Practice set: Making an insoluble salt by mixing two solutions
Act as my SS1 Chemistry tutor. Give me five practice questions on making an insoluble salt
Exam practice: Neutralisation and the reaction it describes
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Calculation practice: Titration calculations and finding an unknown concentration
Act as my SS1 Chemistry tutor. Walk me through titration calculations and finding an unkno
Spot my mistake: Reading a group trend as though it were a period trend
Act as my SS1 Chemistry tutor. Show me a worked answer on reading a group trend as though
Calculation practice: Predicting a property from an element's position
Act as my SS1 Chemistry tutor. Walk me through predicting a property from an element's pos
Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas
Spot my mistake: Choosing distillation where filtration would do
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing distillation where filt
Project task: Separating a mixture at home
Act as my SS1 Chemistry tutor. Set me a short practical or research task on separating a m
Practice set: Hard and soft water, and the causes of hardness
Act as my SS1 Chemistry tutor. Give me five practice questions on hard and soft water, and
Exam practice: The laboratory preparation of hydrogen
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Confusing temporary hardness with permanent hardness
Act as my SS1 Chemistry tutor. Show me a worked answer on confusing temporary hardness wit
Project task: Testing water hardness in my own area
Act as my SS1 Chemistry tutor. Set me a short practical or research task on testing water
Practice set: The properties and uses of oxygen
Act as my SS1 Chemistry tutor. Give me five practice questions on the properties and uses
Exam practice: Combustion and the conditions it requires
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Exam practice: The periodic table and separation techniques reviewed
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions