481 prompts matching "What causes temporary and what causes permanent hardness"
Explain back: The electrochemical series and the uses made of it
I have just studied the electrochemical series and the uses made of it in my SS3 Chemistry
Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on electr
Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che
Explain back: The alkanols, alkanals and alkanones distinguished
I have just studied the alkanols, alkanals and alkanones distinguished in my SS3 Chemistry
Explain back: Thermal and catalytic cracking compared
I have just studied thermal and catalytic cracking compared in my SS3 Chemistry class. Let
Explain back: The chromophore, and why a dye is coloured
I have just studied the chromophore, and why a dye is coloured in my SS3 Chemistry class.
Explain back: Acid rain, its chemistry and its effects
I have just studied acid rain, its chemistry and its effects in my SS3 Chemistry class. Le
Explain back: Chlorination and the alternatives to it
I have just studied chlorination and the alternatives to it in my SS3 Chemistry class. Let
Explain back: The setting and hardening of cement
I have just studied the setting and hardening of cement in my SS3 Chemistry class. Let me
Explain back: Writing and balancing nuclear equations
I have just studied writing and balancing nuclear equations in my SS3 Chemistry class. Let
Chemistry at work: The hazards of radiation and the precautions taken
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on the ha
Explain back: Corrosion and environmental chemistry reviewed
I have just studied corrosion and environmental chemistry reviewed in my SS3 Chemistry cla
Explain back: Structuring an answer on rates and equilibrium
I have just studied structuring an answer on rates and equilibrium in my SS3 Chemistry cla
Explain back: Structuring an answer on extraction and manufacture
I have just studied structuring an answer on extraction and manufacture in my SS3 Chemistr
Explain back: Writing an observation and an inference separately
I have just studied writing an observation and an inference separately in my SS3 Chemistry
Chemistry at work: Laboratory discipline and safety in the practical examination
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Explain back: Filling and reading a burette accurately
I have just studied filling and reading a burette accurately in my SS3 Chemistry class. Le
Chemistry at work: Sources of error, and how candidates should discuss them
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on source
Explain back: Limiting reagent problems, and how to spot the limit
I have just studied limiting reagent problems, and how to spot the limit in my SS3 Chemist
Explain back: The filling of energy levels and sublevels
I have just studied the filling of energy levels and sublevels in my SS3 Chemistry class.