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GCSE Chemistry - Electrolysis exam questions and verified correct answers 2024
Electrolyte - correct answer An ionic compound that produces a solution that conducts electricity when dissolved in water. Electrolysis - correct answer The process that splits ionic compounds into their different element using a solution that conducts electricity. Cathode - correct answer Negative electrode Anode - correct answer Positive electrode ... - correct answer Electrolysis can be used to split up ionic compounds into their constituent elements. Ionic compounds - correct ...
- Exam (elaborations)
- • 2 pages •
Electrolyte - correct answer An ionic compound that produces a solution that conducts electricity when dissolved in water. Electrolysis - correct answer The process that splits ionic compounds into their different element using a solution that conducts electricity. Cathode - correct answer Negative electrode Anode - correct answer Positive electrode ... - correct answer Electrolysis can be used to split up ionic compounds into their constituent elements. Ionic compounds - correct ...
AQA GCSE Chemistry - Electrolysis exam questions and verified correct answers 2024
What is electrolysis? - correct answer The breaking down of a substance using electricity Types of electrolysis - correct answer Of aqueous ionic compounds Of molten ionic compounds Ionic compound - correct answer a compound composed of positive(cations) and negative ions(anions) Why can't ionic compounds conduct electricity as solid? - correct answer The electrons aren't free to move and carry the charge through the structure What is an electrolyte? - correct answer a liquid/sol...
- Exam (elaborations)
- • 7 pages •
What is electrolysis? - correct answer The breaking down of a substance using electricity Types of electrolysis - correct answer Of aqueous ionic compounds Of molten ionic compounds Ionic compound - correct answer a compound composed of positive(cations) and negative ions(anions) Why can't ionic compounds conduct electricity as solid? - correct answer The electrons aren't free to move and carry the charge through the structure What is an electrolyte? - correct answer a liquid/sol...
IGCSE Chemistry: electrolysis exam questions and 100% correct answers
Cathode Rules (3) - correct answer -Ions are reduced -Metal is above hydrogen, hydrogen gas is produced -Metal is lower than Hydrogen the metal is deposited Anode Rules (3) - correct answer -Ions are oxidised -If there is a halide present (chlorines, bromides or Iodides) you get a halogen (Cl2, Br2, I2) -Otherwise O2 is produced from OH- ions Cathode Half Equation - correct answer 2H+ + 2e- -->H2 Anode Half Equation - correct answer 4OH- -->2H2O + O2 +4e- cathode - correct ...
- Exam (elaborations)
- • 2 pages •
Cathode Rules (3) - correct answer -Ions are reduced -Metal is above hydrogen, hydrogen gas is produced -Metal is lower than Hydrogen the metal is deposited Anode Rules (3) - correct answer -Ions are oxidised -If there is a halide present (chlorines, bromides or Iodides) you get a halogen (Cl2, Br2, I2) -Otherwise O2 is produced from OH- ions Cathode Half Equation - correct answer 2H+ + 2e- -->H2 Anode Half Equation - correct answer 4OH- -->2H2O + O2 +4e- cathode - correct ...
electrolysis exam questions and 100% correct answers 2024
A solution of aqueous copper chloride is electrolysed. This produces chlorine gas and solid copper. State the electrode at which you would expect to find solid copper. (1) - correct answer -The cathode. Explain why the electrodes used in electrolysis are typically inert. (1) - correct answer -So that they do not react with the electrolyte. Give the half equations for the production of solid copper and chlorine gas in the electrolysis of copper chloride. (2) - correct answer -Cu(aq)2++2e−...
- Exam (elaborations)
- • 4 pages •
A solution of aqueous copper chloride is electrolysed. This produces chlorine gas and solid copper. State the electrode at which you would expect to find solid copper. (1) - correct answer -The cathode. Explain why the electrodes used in electrolysis are typically inert. (1) - correct answer -So that they do not react with the electrolyte. Give the half equations for the production of solid copper and chlorine gas in the electrolysis of copper chloride. (2) - correct answer -Cu(aq)2++2e−...
Electrolysis Questions and 100% correct answers 2023
How is aluminium extracted from the ore? - correct answer electrolysis What is an aluminium ore called? - correct answer bauxite Why is it not practical to electrolyse pure aluminium oxide? - correct answer it uses a lot of energy as the melting point is so high How is the melting point of aluminium oxide reduces? - correct answer by dissolving aluminium oxide in cryolite Write a balanced equation for the electrolysis of AlO: - correct answer 2Al2O3 = 4Al + 3O2 Write the equations...
- Exam (elaborations)
- • 2 pages •
How is aluminium extracted from the ore? - correct answer electrolysis What is an aluminium ore called? - correct answer bauxite Why is it not practical to electrolyse pure aluminium oxide? - correct answer it uses a lot of energy as the melting point is so high How is the melting point of aluminium oxide reduces? - correct answer by dissolving aluminium oxide in cryolite Write a balanced equation for the electrolysis of AlO: - correct answer 2Al2O3 = 4Al + 3O2 Write the equations...
Electrolysis final exam questions and 100% correct answers 2024
In blood circulation where does the exchange of nutrients & waste take place - correct answer Capillaries Blood that flows from heart to lungs & then back to heart is what type of circulation - correct answer Pulmonary circulations What does nervous system control - correct answer All body functions The 3 prong plug attached to an electrolysis machine is used for what - correct answer Ground Where does the skin & its appendges recieve nourishment from - correct answer Blood vascular ...
- Exam (elaborations)
- • 16 pages •
In blood circulation where does the exchange of nutrients & waste take place - correct answer Capillaries Blood that flows from heart to lungs & then back to heart is what type of circulation - correct answer Pulmonary circulations What does nervous system control - correct answer All body functions The 3 prong plug attached to an electrolysis machine is used for what - correct answer Ground Where does the skin & its appendges recieve nourishment from - correct answer Blood vascular ...
Chemistry Electrolysis test exam questions and 100% correct answers
Sodium Chloride solution can be prepared by reacting sodium hydroxide solution with acid What is the name of the acid that should be used? - correct answer Hydrochloric Acid What is formed when an acid reacts with a metal oxide? - correct answer salt and water only State two things you would see when solid copper carbonate reacts with dilute nitric acid - correct answer -Fizzing/ bubbling -colourless liquid Write the balanced equation for the reaction of copper carbonate with dilute...
- Exam (elaborations)
- • 2 pages •
Sodium Chloride solution can be prepared by reacting sodium hydroxide solution with acid What is the name of the acid that should be used? - correct answer Hydrochloric Acid What is formed when an acid reacts with a metal oxide? - correct answer salt and water only State two things you would see when solid copper carbonate reacts with dilute nitric acid - correct answer -Fizzing/ bubbling -colourless liquid Write the balanced equation for the reaction of copper carbonate with dilute...
Electrolysis & Laser Final Exam 2024 questions and complete correct answers
Following the rules of Universal Precautions requires the following practice? - correct answer consider all patients potentially infectious What layer of the skin stores fat and acts as a protective cushion? - correct answer subcutis An excess production of cortisol is indicative of what syndrome? - correct answer Cushing's Syndrome The process of cell division is known as? - correct answer mitosis Which is NOT a characteristic of a viral disease? - correct answer A. Contain a prote...
- Exam (elaborations)
- • 11 pages •
Following the rules of Universal Precautions requires the following practice? - correct answer consider all patients potentially infectious What layer of the skin stores fat and acts as a protective cushion? - correct answer subcutis An excess production of cortisol is indicative of what syndrome? - correct answer Cushing's Syndrome The process of cell division is known as? - correct answer mitosis Which is NOT a characteristic of a viral disease? - correct answer A. Contain a prote...
Electrolysis Test Study Guide exam questions and verified correct answers 2024
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 - Electrolysis exam questions and verified correct answers 2024
What is electrolysis? - correct answer passing an electric current through an ionic substance that's molten or in a solution and breaks it down into new substances What is electrolysis used for? - correct answer To make new substances What is an electrolyte? - correct answer a liquid that conducts electricity How are electrolytes made? - correct answer by melting or dissolving ionic compounds Which part of an electrolyte conducts electricity? - correct answer The free electrons W...
- Exam (elaborations)
- • 2 pages •
What is electrolysis? - correct answer passing an electric current through an ionic substance that's molten or in a solution and breaks it down into new substances What is electrolysis used for? - correct answer To make new substances What is an electrolyte? - correct answer a liquid that conducts electricity How are electrolytes made? - correct answer by melting or dissolving ionic compounds Which part of an electrolyte conducts electricity? - correct answer The free electrons W...
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