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Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out.

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asked Jan 31, 2018 in Science by Rohit Singh (61,782 points) ● 35 ● 133 ● 354

Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain
(a) water vapour 

(b) only oxygen gas

(c) air 

(d) none of these

1 Answer

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answered Jan 31, 2018 by sameer (82,980 points) ● 5 ● 11 ● 37
selected Feb 2, 2018 by sarthaks
 
Best answer
(a) Air.  Answer is correct
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