Quiz on Metal Oxides and Their Reduction
Authored by Chidimma Uchendu
Other
3rd Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are metal oxides?
Gases
Only metals
Only non-metals
Compounds of metals and oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during the reduction of metal oxides?
They become gases
They become liquids
They lose oxygen
They gain oxygen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a metal oxide?
Sodium chloride
Carbon dioxide
Iron oxide
Water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of reducing metal oxides?
To change their color
To add oxygen
To remove oxygen
To make them stronger
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process is the opposite of reduction?
Oxidation
Evaporation
Condensation
Sublimation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a metal that forms an oxide?
Gold
Nitrogen
Oxygen
Hydrogen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is formed when metal oxides are reduced?
Pure metal
Gas
Liquid
Salt
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