155 prompts matching "Removing permanent hardness from water"
Chemistry at work: PH control in Nigerian food and water industries
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on pH con
Explain back: Preparing a soluble salt from an acid and a metal
I have just studied preparing a soluble salt from an acid and a metal in my SS3 Chemistry
Exam practice: The test that distinguishes saturated from unsaturated
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Quiz me: Addition polymers and the monomers they come from
Act as my SS3 Chemistry tutor and quiz me on addition polymers and the monomers they come
Practice set: Naming a polymer from its monomer, and the reverse
Act as my SS3 Chemistry tutor. Give me five practice questions on naming a polymer from it
Calculation practice: Calculating the number of repeating units from molar mass
Act as my SS3 Chemistry tutor. Walk me through calculating the number of repeating units f
Calculation practice: Calculating the mass of iron from a mass of haematite
Act as my SS3 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
Project task: Researching chlorine's part in Nigerian water treatment
Act as my SS3 Chemistry tutor. Set me a short practical or research task on researching ch
Spot my mistake: Adding water to concentrated sulphuric acid
Act as my SS3 Chemistry tutor. Show me a worked answer on adding water to concentrated sul
Calculation practice: Calculating the yield of sulphuric acid from sulphur
Act as my SS3 Chemistry tutor. Walk me through calculating the yield of sulphuric acid fro
Calculation practice: Calculating the mass of ammonia from nitrogen and hydrogen
Act as my SS3 Chemistry tutor. Walk me through calculating the mass of ammonia from nitrog
Quiz me: The uses that follow from each carbon structure
Act as my SS3 Chemistry tutor and quiz me on the uses that follow from each carbon structu
Project task: Demonstrating the carbon dioxide test with limewater
Act as my SS3 Chemistry tutor. Set me a short practical or research task on demonstrating
Teach me: What hardness is, and what causes it
You are my personal SS3 Chemistry tutor. Teach me what hardness is, and what causes it, us
Real-life Nigeria: The advantages and disadvantages of hard water
Act as my SS3 Chemistry tutor. Show me where the advantages and disadvantages of hard wate
Real-life Nigeria: The effect of fertiliser overuse on soil and water
Act as my SS3 Chemistry tutor. Show me where the effect of fertiliser overuse on soil and
Quiz me: The preliminary tests carried out on an unknown salt
Act as my SS3 Chemistry tutor and quiz me on the preliminary tests carried out on an unkno
Practice set: Identifying cations with sodium hydroxide solution
Act as my SS3 Chemistry tutor. Give me five practice questions on identifying cations with
Quiz me: Testing for carbonate and for hydrogencarbonate
Act as my SS3 Chemistry tutor and quiz me on testing for carbonate and for hydrogencarbona
Practice set: Testing for chloride, bromide and iodide
Act as my SS3 Chemistry tutor. Give me five practice questions on testing for chloride, br