The principle involved in desalination
A) Diffusion
B) Reverse Osmosis
C) Exosmosis
D) None
1 Answers
The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw
Correct Answer - Only B and C
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What are the types of the following changes? Natural waterfall, spreading of smoke from burning incense stick, diffusion of fragrance of flowers.
Natural waterfall, spreading of smoke from burning incense stick and diffusion of fragrance of flowers are irreversible physical changes.
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Diffusion of solvent through a semi permeable membrane is called
Diffusion of solvent through a semi permeable membrane is Osmosis. Hence option (B) is the right answer
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Desalination of sea water can be done by
B. Reverse Osmosis
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State the principle involved and describe the process to separate acetone and water from their mixture.
i. Acetone and water can be separated from their mixture by simple distillation. ii. Principle : Acetone and water are two miscible liquids having an appreciable difference (more than 30 K) in...
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Diffusion occurs in this medium. A) Solids B) Liquids C) Gases D) All
Correct option is D) All
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In which among the following the principle of electromagnetic induction is not involved ?
C) Working of an electric bulb
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Principle involved in the parachutes A) Longer time to hit the land-low impulse
A) Longer time to hit the land-low impulse
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Hydraulic jack works on the principle of A) Archimedes’ principle
C) Pascal’s principle
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The principle involved in working of a lactometer is ……………
C) relative density
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