Chem 6_6 Air
Authored by Kewin Aljoe
Chemistry
6th - 9th Grade
Used 2+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air is
a mixture of gases
a mixture of elements
a mixture of compounds
a mixture of solids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogen is used to filll spaces in _____ to prevent fire
durians
classroom
oil tank
balloon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxy-acetelene and _____ flames are used for cutting and welding metals
oxy-carbon
oxy-hydrogen
oxy-helium
oxy-oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon dioxide dissolves in water to form ______ acid
carbonic
dioxidic
bicarbonic
carboonic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____ is a poisonous gas
Nitrogen
Hydrogen
Carbon dioxide
Carbon monoxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The gas released from the exhaust of vehicles is the ______
carbon monoxide
carbon dioxide
carbonic acid
nitrogen gas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxygen exists as a _______ molecules
diatomic
monotomic
triatomic
single
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