Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.
Choose the correct observation related to above activity
  • a)
    The water level increases appreciably
  • b)
    The water level decreases
  • c)
    The water level remains the same
  • d)
    There is little increase in water level
Correct answer is option 'C'. Can you explain this answer?

Class 9 Question

By Aarti Aarti · 2 weeks ago ·Class 9
3 Answers
Virendra Jha answered Apr 25, 2020
This so happen because the molecules of salt get fitted in the intermolecular space of water

Dayaram Chauhan answered Apr 25, 2020
# When salt is dissolved in water, the particles of salt disappear in water. This happen because particles of salt get adjusted in the space b/w the particles of water.
# Additionally, you will notice that there is no rise of water level take place when one or more teaspoons of sugar is added in the glass of water, this is because sugar particles get adjusted in the space b/w the particles of water and no rise in the water level comes in result.
# This activity shows us that Matter are made up of small particles. And there is space b /w these particles.

Varunvi Dixit answered 2 weeks ago
The water level will increase because the crystals of salt take space

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