
Grade 10 Review - Electrolysis & Chemical energetics
Authored by Eki Maulana
Chemistry
10th Grade
Used 21+ times

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8 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Key words: The breakdown of an ionic compound, molten or in aqueous solution, by the use of electricity.
(a)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When copper(II) sulfate solution is electrolyzed, which substance is formed at the cathode?
copper
sulfur
hydrogen
oxygen
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Bauxite is an ore containing aluminium oxide. What are the products of electrolysis of molten bauxite?
aluminium
oxygen
hydrogen
chlorine
4.
LABELLING QUESTION
2 mins • 4 pts
Identify the components of the following electroplating diagram.
5.
CATEGORIZE QUESTION
3 mins • 4 pts
Organize these processes/reactions into the right categories.
Groups:
(a) Physical changes
,
(b) Chemical changes
Evaporation of sea water
Dissolving of sugar in water
Melting of ice
6.
LABELLING QUESTION
3 mins • 4 pts
Identify the parts of the reaction energy diagram.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Exothermic
Endothermic
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