250 prompts matching "Exam practice: Expressing concentration in moles per cubic decimetre"
Explain back: The rules for assigning oxidation numbers
I have just studied the rules for assigning oxidation numbers in my SS2 Chemistry class. L
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
Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
Act as my SS2 Chemistry tutor. Show me where oxidation in the rusting of Nigerian roofing
Quiz me: Identifying the oxidising agent and the reducing agent
Act as my SS2 Chemistry tutor and quiz me on identifying the oxidising agent and the reduc
Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
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
Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Explain back: Why metals conduct heat and electricity
I have just studied why metals conduct heat and electricity in my SS2 Chemistry class. Let
Spot my mistake: Assuming every metal is hard and dense
Act as my SS2 Chemistry tutor. Show me a worked answer on assuming every metal is hard and
Real-life Nigeria: Choosing the right metal for a given Nigerian use
Act as my SS2 Chemistry tutor. Show me where choosing the right metal for a given Nigerian
Quiz me: The link between reactivity and the method of extraction
Act as my SS2 Chemistry tutor and quiz me on the link between reactivity and the method of
Explain back: Extraction by reduction with carbon
I have just studied extraction by reduction with carbon in my SS2 Chemistry class. Let me
Spot my mistake: Proposing carbon reduction for a very reactive metal
Act as my SS2 Chemistry tutor. Show me a worked answer on proposing carbon reduction for a
Explain back: The allotropes shown by some non-metals
I have just studied the allotropes shown by some non-metals in my SS2 Chemistry class. Let
Spot my mistake: Assuming all non-metals are gases
Act as my SS2 Chemistry tutor. Show me a worked answer on assuming all non-metals are gase
Spot my mistake: Describing a non-metal oxide as basic
Act as my SS2 Chemistry tutor. Show me a worked answer on describing a non-metal oxide as
Real-life Nigeria: Non-metal compounds in Nigerian industry
Act as my SS2 Chemistry tutor. Show me where non-metal compounds in Nigerian industry turn
Explain back: The preferential discharge of ions
I have just studied the preferential discharge of ions in my SS2 Chemistry class. Let me e
Real-life Nigeria: Electroplating and metal purification in Nigeria
Act as my SS2 Chemistry tutor. Show me where electroplating and metal purification in Nige