why do bubbles come out of a lump of soil when it is in water?
Bubbles coming out of a lump of soil when water is poured on it represent ___.
Question 8
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
When we heat water, we see bubbles coming out from it. This shows that
Why does excess of bubbles come out when the cap of a cola drink is opened?