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PDF chapter test
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Subjects
Science State Board
Class 8
Air
Textbook questions
2.
Choose the best answer II
Exercise condition:
2
m.
1
.
Carbon dioxide with water changes
doesn’t react with litmus
blue litmus to red
blue litmus to yellow
red litmus to blue
2
.
Which of the following is known as azote?
Oxygen
Nitrogen
Sulphur
Carbon dioxide
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