Electrolysis of solutions
Authored by ROSARIO OLIVARES
Chemistry
11th Grade
NGSS covered
Used 37+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When NaCl solution is electrolysed what has forms at the anode?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When molten NaCl is electrolysed what has forms at the cathode?
Hydrogen
Oxygen
Chlorine
Sodium
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When NaCl solution is electrolysed what has forms at the cathode?
Hydrogen
Oxygen
Chlorine
Sodium
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Copper and hydrogen can each be formed by electrolysis.
At which electrodes are these elements formed?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows an electrolysis experiment.
During the electrolysis, sodium was formed at electrode P and chlorine at electrode Q.
Which choice correctly identifies P, Q and X?
P = anode; Q = cathode; X = concentrated solution of sodium chloride in water
P = anode; Q = cathode; X = molten sodium chloride
P = cathode; Q = anode; X = concentrated solution of sodium chloride in water
P = cathode; Q = anode; X = molten sodium chloride
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows the electrolysis of aqueous sodium chloride.
Which choice correctly identifies P, Q and X?
P = Hydrogen Q = Oxygen; X = sodium chloride solution
P = Sodium Q = Chlorine; X = water
P = Sodium; Q = Oxygen X = hydrochloric acid solution
P = Hydrogen Q = Chlorine X = sodium hydroxide solution
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the name given to the solution that is being electrolysed?
Tags
NGSS.HS-PS1-5
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