Contents of air — task. Science State Board, Class 6.

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Read the statement and select the correct answer:

Statement 1: Nitrogen supports combustion.
Statement 2: Carbon-di-oxide supports combustion.

Only statement 1 is correct
Both the statement 1 and 2 are wrong
Only statement 2 is correct
Both the statement 1 and 2 is correct

Statement 1: During respiration, oxygen formed in the body gets dissolved in the blood.
Statement 2: During respiration, carbon-di-oxide formed in the body gets dissolved in the blood.

Both the statement 1 and 2 is correct
Only statement 2 is correct
Only statement 1 is correct
Both the statement 1 and 2 are wrong

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12. Contents of air

Exercise condition: