Oxygen and Hydrogen
Authored by Adem Koc
Chemistry
8th - 9th Grade
NGSS covered
Used 300+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance supports burning?
Hydrogen
Nitrogen
Oxygen
Carbon Dioxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage existence of oxygen gas in air?
%78
%32
%18
%21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following method is one of the laboratory preparation of oxygen gas?
Decomposition of KClO3
Decomposition of H2S
Combination of H and O
Distillation of H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not an use of oxygen?
For cutting metals
In hospitals
As fuel for cars
For respiration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the test for Oxygen gas?
Litmus paper
Glowing splint
"Pop" sound
Red flame
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following oxide is different than the others?
SO3
CO2
CaO
P2O5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following oxide is the one of the neutral oxide?
Al2O3
NO2
Na2O
H2O
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