500 prompts matching "Exam practice: A final mixed paper before the examination"
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
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
Explain back: Oxidation and reduction in terms of electrons
I have just studied oxidation and reduction in terms of electrons in my SS1 Chemistry clas
Chemistry at work: Redox reactions in Nigerian industry
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Spot my mistake: Describing a covalent compound as conducting when molten
Act as my SS1 Chemistry tutor. Show me a worked answer on describing a covalent compound a
Project task: Modelling ionic and covalent structures
Act as my SS1 Chemistry tutor. Set me a short practical or research task on modelling ioni
Explain back: Activation energy and what it represents
I have just studied activation energy and what it represents in my SS1 Chemistry class. Le
Spot my mistake: Saying a catalyst is used up during a reaction
Act as my SS1 Chemistry tutor. Show me a worked answer on saying a catalyst is used up dur
Spot my mistake: Assuming diamond and graphite are different elements
Act as my SS1 Chemistry tutor. Show me a worked answer on assuming diamond and graphite ar
Explain back: Carbon monoxide, and why it is dangerous
I have just studied carbon monoxide, and why it is dangerous in my SS1 Chemistry class. Le
Explain back: Water pollution and its causes in Nigeria
I have just studied water pollution and its causes in Nigeria in my SS1 Chemistry class. L
Chemistry at work: Pollution control and environmental careers in Nigeria
Act as my SS1 Chemistry tutor. Explain which Nigerian jobs and industries depend on pollut
Spot my mistake: Assuming every chemical is harmful
Act as my SS1 Chemistry tutor. Show me a worked answer on assuming every chemical is harmf
Explain back: Energy changes and reaction rates reviewed
I have just studied energy changes and reaction rates reviewed in my SS1 Chemistry class.
Project task: Researching a chemical plant near me
Act as my SS1 Chemistry tutor. Set me a short practical or research task on researching a
Spot my mistake: Choosing decantation where filtration is needed
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing decantation where filtr
Project task: Separating sand from salt at home
Act as my SS1 Chemistry tutor. Set me a short practical or research task on separating san