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ELECTROLYSIS GCSE EXAM QUESTIONS AND ANSWERS 100% PASS

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ELECTROLYSIS GCSE EXAM QUESTIONS AND ANSWERS 100% PASS Which elements are near the top of the reactivity series? - K, Na, Li Which elements are near the bottom of the reactivity series? - Au, Ag, Hg, Cu, H2 What is the acronym for oxidation and reduction? - OILRIG What is the 'OIL' in OILRIG? ...

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  • March 2, 2025
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Electrolysis
  • Electrolysis
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ELECTROLYSIS GCSE EXAM QUESTIONS
AND ANSWERS 100% PASS


Which elements are near the top of the reactivity series? - ✔✔K, Na, Li


Which elements are near the bottom of the reactivity series? - ✔✔Au, Ag, Hg, Cu, H2


What is the acronym for oxidation and reduction? - ✔✔OILRIG


What is the 'OIL' in OILRIG? - ✔✔Oxiation iss loss of electrons


What is the 'RIG' in OILRIG? - ✔✔Reduction is loss of electrons


How do metals react? - ✔✔By losing electrons to form positive ions


How do non-metals react? - ✔✔by gaining electrons to form negative ions


What is electrolysis? - ✔✔The breaking down of a substance using electricity


What happens if direct current is passed through a metal/graphite? - ✔✔The material

remains unchanged


What is the melting point like for giant ionic lattices? - ✔✔High


What is the melting point like for simple molecular? - ✔✔Low



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, What is the melting point like for giant covalent lattices? - ✔✔Very high


What is the melting point like for giant metallics lattices? - ✔✔High


What is the flexibility of giant ionic lattices? - ✔✔Brittle


What is the flexibility of simple molecular? - ✔✔Not hard/no strength


What is the flexibility of giant covalent lattices? - ✔✔Diamond is hard, whereas graphite

is soft


What is the flexibility of giant metallic lattices? - ✔✔Malleable


What is the electrical conductivity like for giant ionic lattices? - ✔✔Solids - no, liquids -

yes, solutions - yes


What is the electrical conductivity like for simple molecular? - ✔✔None


What is the electrical conductivity like for giant covalent lattices? - ✔✔Good for

graphite but bad for everything else


What is the electrical conductivity like for giant metallic lattices? - ✔✔Good


What is the solubility in water like for giant ionic lattices? - ✔✔Good


What is the solubility in water like for simple molecular? - ✔✔Yes if they form

Hydrogen bonds


What is the solubility in water like for giant covalent lattices? - ✔✔None



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