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C1electrolysis

QuestionAnswer
What is the element collected at the negative electrode during electrolysis of water? Hydrogen
What are the products of electrolysis of Brine Chlorine and Hydrogen and Sodium Hydroxide
Describe the test to show that a gas is Chlorine Blue Litmus paper turns red then white
What is the definition of electrolysis? The breaking down of compound into its element using an electric current
Describe the test to show that a gas is Oxygen A glowing splint will relight
What is the compound of Oxygen and Hydrogen? Water
What is the element collected at the negative electrode during electrolysis of brine? Hydrogen
What is the element collected at the positive electrode during electrolysis of brine? Chlorine
What are the products of electrolysis of acidified water Hydrogen and Oxygen
Describe how you would carry out an electrolysis of water experiment connect two electrodes to a power pack/battery; Place the electrodes in a beaker of water; place two test-tube full of water above the electrodes; switch on the current and collect the gases in the test-tubes
What are the products of electrolysis of HydroChloric Acid Hydrogen and Chlorine
Describe the test to show that a gas is Hydrogen Place a splint in the test-tube and there will be a pop
What is the formula of Oxygen gas? O2
What is the formula of Hydrogen gas? H2
What is the formula of Chlorine gas? Cl2
Write the balanced equation for the electrolysis of Water into Hydrogen and Oxygen 2 H2O --> 2 H2 + O2
What safety precaution should youtake when testing for Chlorine Gas. Why? Well ventilated room with a draught or a fume cupboard. Chlorine is toxic
What is Chlorine gas used for? Making PVC plastics
Created by: UrsulineChem
 

 



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