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प्रश्न
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
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उत्तर
Asmita identified the earthen pot by its shape.
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संबंधित प्रश्न
Explain why, osmosis can be considered to be a special kind of diffusion. Classify the following into
(i) osmosis, and (ii) diffusion :
- swelling up of a raisin on keeping in water
- spreading of virus on sneezing
- earthworm dying on coming in contact with common salt
- shrinking of grapes kept in thick sugar syrup
- preserving of pickles in salt
- spreading of smell of cake being baked in the kitchen
- aquatic animals using oxygen dissolved in water during respiration
State two physical properties on the basis of which metals can be distinguished from non-metals.
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
What is meant by the concentration of a solution ?
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
What is the effect of temperature on the solubility of solids in liquids ?
Name the process by which the various gases of the air are separated.
Wipe the board with a duster and then tap the duster against the table. What do you see?
Evaporation does form bubbles.
Give an example of a molecule.
