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Subject :NSO    Class : Class 5

Lime water turns milky when carbon dioxide is passed through it. Which of the following gases will turn lime water milky?
(i) Gas collected from a burning candle
(ii) Gas collected when a boy is breathing out
(iii) Major gas released from a plant in a greenhouse at night
(iv) Major gas released by a plant preparing its food on a hot afternoon

A(i) and (ii) only
B(i), (ii) and (iii) only
C(ii) and (iv) only
D(i), (iii) and (iv) only


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