239 prompts matching "Concentrating an ore before extraction"
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
Practice set: The effect of concentration and of pressure on equilibrium
Act as my SS2 Chemistry tutor. Give me five practice questions on the effect of concentrat
Calculation practice: Writing and using the equilibrium constant expression
Act as my SS2 Chemistry tutor. Walk me through writing and using the equilibrium constant
Explain back: Saturated and supersaturated solutions
I have just studied saturated and supersaturated solutions in my SS2 Chemistry class. Let
Practice set: The solubility curve, and how to read it
Act as my SS2 Chemistry tutor. Give me five practice questions on the solubility curve, an
Exam practice: Solubility product and sparingly soluble salts
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Proposing boiling as a cure for permanent hardness
Act as my SS2 Chemistry tutor. Show me a worked answer on proposing boiling as a cure for
Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Practice set: The greenhouse effect and global warming
Act as my SS2 Chemistry tutor. Give me five practice questions on the greenhouse effect an
Exam practice: Ozone depletion and its causes
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Chemistry at work: Air pollution control and regulation in Nigeria
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on air po
Explain back: Thermochemistry and reaction rates reviewed
I have just studied thermochemistry and reaction rates reviewed in my SS2 Chemistry class.
Exam practice: Solutions, water and the atmosphere reviewed
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Explain back: Saturated and unsaturated hydrocarbons
I have just studied saturated and unsaturated hydrocarbons in my SS2 Chemistry class. Let
Practice set: The homologous series and its general features
Act as my SS2 Chemistry tutor. Give me five practice questions on the homologous series an
Explain back: The substitution reactions of the alkanes
I have just studied the substitution reactions of the alkanes in my SS2 Chemistry class. L
Practice set: The alkenes, their general formula and their structure
Act as my SS2 Chemistry tutor. Give me five practice questions on the alkenes, their gener
Spot my mistake: Giving an addition reaction for an alkane
Act as my SS2 Chemistry tutor. Show me a worked answer on giving an addition reaction for
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
Explain back: The reactions of the alkanols
I have just studied the reactions of the alkanols in my SS2 Chemistry class. Let me explai