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Question 11When air is blown from the mouth into a test-tube containing limewater, the limewater turned milky due to the presence of (a) oxygen(b) carbon dioxide(c) nitrogen(d) water vapour

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Question 11

When air is blown from the mouth into a test-tube containing limewater, the limewater turned milky due to the presence of



(a) oxygen

(b) carbon dioxide

(c) nitrogen

(d) water vapour





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