1.

Could you see the salt after it dissolved in water? If no, why? Does that mean that now the water does not have salt? If it has, then where is the salt? What difference did you see – in the water with salt, and the water with chalk powder – after keeping for sometime? Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder? Do you think the oil got dissolved in the water? Why do you think so? You also try to do the same and then tell – which drop went ahead? Why did it slide faster?

Answer»

  • Could you see the salt after it dissolved in water? If no, why?

  • Does that mean that now the water does not have salt? If it has, then where is the salt?

  • What difference did you see – in the water with salt, and the water with chalk powder – after keeping for sometime?

  • Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder?

  • Do you think the oil got dissolved in the water? Why do you think so?

  • You also try to do the same and then tell – which drop went ahead? Why did it slide faster?


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