Five leaf discs of a hydrophyte were submerged in 0.2% sodium bicarbonate solution (containing a small quantity of soap) and another five discs were submerged in plain water. Which of the following will happen? (a) Discs in bicarbonate solution rise while those in plain water remain submerged. (b) Discs in bicarbonate solution and in plain water, both remain submerged. (c) Discs in plain water rise earlier than those in bicarbonate solution. (d) Discs in bicarbonate solution and in plain water, both rise at the same time.

Five leaf discs of a hydrophyte were submerged in 0.2% sodium bicarbon

1.	Five leaf discs of a hydrophyte were submerged in 0.2% sodium bicarbonate solution (containing a small quantity of soap) and another five discs were submerged in plain water. Which of the following will happen? (a) Discs in bicarbonate solution rise while those in plain water remain submerged. (b) Discs in bicarbonate solution and in plain water, both remain submerged. (c) Discs in plain water rise earlier than those in bicarbonate solution. (d) Discs in bicarbonate solution and in plain water, both rise at the same time.
Answer» (a) Discs in bicarbonate solution rise while those in plain water remain submerged.

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