250 prompts matching "The past questions most worth working through"
Spot my mistake: Assigning an oxidation number without checking the overall charge
Act as my SS2 Chemistry tutor. Show me a worked answer on assigning an oxidation number wi
Spot my mistake: Calling the oxidising agent the substance that is oxidised
Act as my SS2 Chemistry tutor. Show me a worked answer on calling the oxidising agent the
Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Chemistry at work: Preparing a revision plan for the SS2 first term
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on prepar
Spot my mistake: Treating concentration and strength as the same thing
Act as my SS2 Chemistry tutor. Show me a worked answer on treating concentration and stren
Spot my mistake: Rinsing the burette with water before filling it
Act as my SS2 Chemistry tutor. Show me a worked answer on rinsing the burette with water b
Chemistry at work: The accuracy demanded of an analytical chemist
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the ac
Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Spot my mistake: Saying a catalyst changes the position of equilibrium
Act as my SS2 Chemistry tutor. Show me a worked answer on saying a catalyst changes the po
Spot my mistake: Claiming a catalyst shifts the position of equilibrium
Act as my SS2 Chemistry tutor. Show me a worked answer on claiming a catalyst shifts the p
Chemistry at work: Equilibrium in the contact process for sulphuric acid
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on equili
Spot my mistake: Reading a solubility curve at the wrong temperature
Act as my SS2 Chemistry tutor. Show me a worked answer on reading a solubility curve at th
Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
Act as my SS2 Chemistry tutor. Show me a worked answer on blaming ozone depletion for the
Spot my mistake: Naming a compound without first finding the longest chain
Act as my SS2 Chemistry tutor. Show me a worked answer on naming a compound without first
Chemistry at work: Cracking, and the making of petrol in Nigeria
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on cracki
Chemistry at work: The petrochemicals made from oil and gas
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the pe
Spot my mistake: Proposing a higher temperature to raise the ammonia yield
Act as my SS2 Chemistry tutor. Show me a worked answer on proposing a higher temperature t
Spot my mistake: Describing limestone as the reducing agent
Act as my SS2 Chemistry tutor. Show me a worked answer on describing limestone as the redu
Spot my mistake: Balancing a nuclear equation without checking the mass number
Act as my SS2 Chemistry tutor. Show me a worked answer on balancing a nuclear equation wit
Chemistry at work: The benefits and the hazards of nuclear chemistry
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the be