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PDF chapter test
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Subjects
Science State Board
Class 8
Air
Textbook questions
1.
Choose the best answer I
Exercise condition:
3
m.
1
.
Which of the following is true about oxygen?
Completely burning gas.
Partially burning gas.
Doesn’t support burning.
Supports burning.
2
.
Aerated water contains
oxygen
carbon dioxide
air
nitrogen
3
.
Solvay process is a method to manufacture
lime water
sodium carbonate
distilled water
aerated water
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