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Electrolysis Test Study Guide exam questions and complete correct answers
What are the 8 uses of electrolysis? - correct answer Purification of metals Electroplating Chlorine production Extraction of Hydrogen from water Extraction of oxygen from water Extraction of Reactive metals Hair removal Production of sodium hydroxide What is Electrolysis? - correct answer The passing of an electric current through an molten ionic compound causing a chemical change resulting in a change in the elements that make up the compound. What is an Electrolyte? - correct ans...
- Exam (elaborations)
- • 4 pages •
What are the 8 uses of electrolysis? - correct answer Purification of metals Electroplating Chlorine production Extraction of Hydrogen from water Extraction of oxygen from water Extraction of Reactive metals Hair removal Production of sodium hydroxide What is Electrolysis? - correct answer The passing of an electric current through an molten ionic compound causing a chemical change resulting in a change in the elements that make up the compound. What is an Electrolyte? - correct ans...
GCSE Chemistry - 9-1 - Electrolysis exam questions and verified correct answers 2024
Electrolysis is the... - correct answer decomposition of a liquid using electricity The electrolyte is the... - correct answer liquid that conducts electricity The anode is the ... electrode - correct answer positive The cathode is the ... electrode - correct answer negative ... are negatively-charged ions that are attracted to the anode - correct answer anions ... are positively-charged ions that are attracted to the cathode - correct answer cations Oxidation is the ... of ele...
- Exam (elaborations)
- • 2 pages •
Electrolysis is the... - correct answer decomposition of a liquid using electricity The electrolyte is the... - correct answer liquid that conducts electricity The anode is the ... electrode - correct answer positive The cathode is the ... electrode - correct answer negative ... are negatively-charged ions that are attracted to the anode - correct answer anions ... are positively-charged ions that are attracted to the cathode - correct answer cations Oxidation is the ... of ele...
Chemistry: Chapter 6- Electrolysis exam questions and verified correct answers 2024
_______ is the process that uses electricity to break down ionic compounds into elements - correct answer Electrolysis Electrolysis is the process that uses _______ to break down ionic compounds into elements - correct answer Electricity Electrolysis is the process that uses electricity to break down ______ ______ into ______ - correct answer Ionic compounds elements When electricity passes through a ____ _____ _____ or a ____ containing ___, electrolysis takes place - correct answer Mo...
- Exam (elaborations)
- • 3 pages •
_______ is the process that uses electricity to break down ionic compounds into elements - correct answer Electrolysis Electrolysis is the process that uses _______ to break down ionic compounds into elements - correct answer Electricity Electrolysis is the process that uses electricity to break down ______ ______ into ______ - correct answer Ionic compounds elements When electricity passes through a ____ _____ _____ or a ____ containing ___, electrolysis takes place - correct answer Mo...
Chemistry - electrolysis exam questions and 100% correct answers 2024
What is Electric current used for? - correct answer To break down a substance made up of ions. It is the opposite of ionic bonding. What is an Electrolyte? - correct answer The substance being broken down. What carries the charge? - correct answer Copper wires; carbon anode; carbon cathode and molten sodium chloride. What is attracted to the positive anode? - correct answer The negative anions. What is attracted to the negative cathode? - correct answer The positive Electrolysis -...
- Exam (elaborations)
- • 2 pages •
What is Electric current used for? - correct answer To break down a substance made up of ions. It is the opposite of ionic bonding. What is an Electrolyte? - correct answer The substance being broken down. What carries the charge? - correct answer Copper wires; carbon anode; carbon cathode and molten sodium chloride. What is attracted to the positive anode? - correct answer The negative anions. What is attracted to the negative cathode? - correct answer The positive Electrolysis -...
Chemistry Edexcel IGCSE: Electrolysis exam questions and 100% correct answers
What causes electricity flow in carbon and metals? - correct answer The low of electricity in metals and carbon is due to movement of delocalised (mobile) electrons, there is no chemical change involved. What is meant by electrolysis? - correct answer Electrolysis takes place when an electric current is passed through a molten ionic compound, or through an aqueous solution of an ionic compound. What is meant by electrolyte? - correct answer An electrolyte is a substance that undergoes elec...
- Exam (elaborations)
- • 3 pages •
What causes electricity flow in carbon and metals? - correct answer The low of electricity in metals and carbon is due to movement of delocalised (mobile) electrons, there is no chemical change involved. What is meant by electrolysis? - correct answer Electrolysis takes place when an electric current is passed through a molten ionic compound, or through an aqueous solution of an ionic compound. What is meant by electrolyte? - correct answer An electrolyte is a substance that undergoes elec...
Chemistry Electrolysis CIE IGCSE exam questions and verified correct answers 2024
Define electrolysis - correct answer process of breaking down a compound into its simplest element by using electricity in a molten or aqueous solution Define electrode - correct answer rod of metal or graphite through which an electric current flows into or out of an electrode Define electrolyte - correct answer ionic compound in molten or dissolved solution that conducts the electricity and has free mobile ions Half equation of oxidation of hydroxide - correct answer 4OH- --> O2 + ...
- Exam (elaborations)
- • 5 pages •
Define electrolysis - correct answer process of breaking down a compound into its simplest element by using electricity in a molten or aqueous solution Define electrode - correct answer rod of metal or graphite through which an electric current flows into or out of an electrode Define electrolyte - correct answer ionic compound in molten or dissolved solution that conducts the electricity and has free mobile ions Half equation of oxidation of hydroxide - correct answer 4OH- --> O2 + ...
AQA GCSE Chemistry (Year 11) - Electrolysis exam questions and verified correct answers
What is electrolysis? - correct answer the breakdown of substances using electricity into simpler ones What is an electrolyte? - correct answer a substance broken down by electrolysis Fill in the blank: Electrolysis only works for_____________ ______________ - correct answer ionic substances What is the positive electrode? - correct answer anode What is the negative electrode? - correct answer cathode Why are ionic substances broken down? - correct answer An ionic substance can't...
- Exam (elaborations)
- • 3 pages •
What is electrolysis? - correct answer the breakdown of substances using electricity into simpler ones What is an electrolyte? - correct answer a substance broken down by electrolysis Fill in the blank: Electrolysis only works for_____________ ______________ - correct answer ionic substances What is the positive electrode? - correct answer anode What is the negative electrode? - correct answer cathode Why are ionic substances broken down? - correct answer An ionic substance can't...
Electrolysis- chemistry paper 1-pg118-119 exam questions and complete correct answers 2024
What is electrolysis? - correct answer The use if an electrical current to break down compounds containg ions into their constituent elements What is an electrolyte? - correct answer The substance that is broken down in electrolysis What are electrodes made from? - correct answer Solids that conduct electricity What do negatively charged ions move to? - correct answer The anode What do positively charged ions move to? - correct answer The cathode What is the positive electrode cal...
- Exam (elaborations)
- • 4 pages •
What is electrolysis? - correct answer The use if an electrical current to break down compounds containg ions into their constituent elements What is an electrolyte? - correct answer The substance that is broken down in electrolysis What are electrodes made from? - correct answer Solids that conduct electricity What do negatively charged ions move to? - correct answer The anode What do positively charged ions move to? - correct answer The cathode What is the positive electrode cal...
AQA GCSE Chemistry - Electrolysis Questions and 100% correct answers 2024
What is electrolysis? - correct answer Using electricity to break down a substance What is an electrolyte? - correct answer A liquid or solution made of ions which are free to move and conduct electricity. What happens to an ionic substance when it is melted or dissolved in water? - correct answer The ions become free to move What is the name for the positive electrode? - correct answer The anode What is the name for the negative electrode? - correct answer The cathode What does O...
- Exam (elaborations)
- • 4 pages •
What is electrolysis? - correct answer Using electricity to break down a substance What is an electrolyte? - correct answer A liquid or solution made of ions which are free to move and conduct electricity. What happens to an ionic substance when it is melted or dissolved in water? - correct answer The ions become free to move What is the name for the positive electrode? - correct answer The anode What is the name for the negative electrode? - correct answer The cathode What does O...
Year 10 Chemistry - Electrolysis exam questions and verified correct answers 2024
electrolysis - correct answer the process by which an ionic substance is broken down using electricity electrolyte - correct answer the substance being broken down by electrolysis (solution or molten) electrode - correct answer the conducting rods used in electrolysis anode - correct answer the positively charged electrode cathode - correct answer the negatively charged electrode a negatively charged ion - correct answer anion a positively charged ion - correct answer cation ...
- Exam (elaborations)
- • 2 pages •
electrolysis - correct answer the process by which an ionic substance is broken down using electricity electrolyte - correct answer the substance being broken down by electrolysis (solution or molten) electrode - correct answer the conducting rods used in electrolysis anode - correct answer the positively charged electrode cathode - correct answer the negatively charged electrode a negatively charged ion - correct answer anion a positively charged ion - correct answer cation ...
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