Demonstration of osmosis in raisins: Put some dried raisins in a bowl. Partially fill it with water. After 10 minutes you will observe that the raisins swell up. This is due to endosmosis. Now put the swollen raisins in a concentrated salt solution. The raisins shrink as they lose water due to exosmosis.
Which of the following are correct : (a) To demonstrate the osmosis in raisins, we need to dip the raisins in hydrochloric acid. (b) To demonstrate the osmosis in raisins, we need to dip the raisins in water. (c) To demonstrate the osmosis in raisins, we need to dip the raisins in honey. | |||
Right Option : B | |||
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The swollen raisins are dipped in a concentrated _____________ solution. | |||
Right Option : A | |||
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The diffusion of water from external solution into dry raisins is called ______________ | |||
Right Option : B | |||
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