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Subject :NSO    Class : Class 7

In the given apparatus, air is inhaled and exhaled through tube P. Tubes X and Y are closed subsequently at different times.

What will happen when
(i) Tube X is closed with a clip and air is exhaled ?
(ii) Tube Y is closed with a clip and air is exhaled ?

A(i)-Lime water in tube A will turn more milky, (ii)-Lime water in tube B will turn less milky
B(i)-Lime water in tube A will turn less milky, (ii)-Lime water in tube B will turn more milky
C(i)-Lime water in tube B will turn more milky, (ii)-Lime water in tube A will turn more milky
D(i)-Lime water in tube B will turn less milky, (ii)-Lime water in tube A will turn more milky


very beautuful question

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