Question

4. Which one of the following set of phenomena would increase on raising the temperature?
(a) Diffusion, evaporation, compression of gases
(b) Evaporation, compression of gases, solubility
(c) Evaporation, diffusion, expansion of gases
(d) Evaporation, solubility, diffusion, compression of gases
9. A cell will swell up if
(a) The concentration of water molecules in the cell is higher than the concentration of water
molecules in the surrounding medium.
(b) The concentration of water molecules in the surrounding medium is higher than the
concentration of water molecules in the cell.
(c) The concentration of water molecules is same in the cell and in the surrounding medium
(d) The concentration of water molecules does not matter.
6. Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane
from a less concentrated solution into a more concentrated one. Can you pick out the option among the
following which does not belong to this process?
(a) The movement of water across a semipermeable membrane is affected by the amount of
substances dissolved in it.
(b) Membranes are made of organic molecules such as proteins and lipids.
(c) Molecules soluble in organic solvents can easily pass through the membrane,
(d) Plasma membranes contain chitin sugar in plants.​

Answer 1

Answer:

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