25.Which one of the following is an example of adsorption?
1 point
a. ammonia in contact with water
b. anhydrous CaCl2 with water
c. silica gel in contact with water vapours
d. all of these
Answers
Explanation:
Your answer is option
A
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Concept: The process of absorbing or assimilative substances into cells or across the tissues and organs through diffusion or diffusion, as in absorption of nutrients by the gastrointestinal system, or absorption of medication into the blood.
Given: Question related to the digestion in a human body.
Find: Choose correct option.
Solution: In the presence of water, due to the higher binding energy (adsorption strength) of ammonia compared to water, ammonia replaces water at the unsaturated Cu2+ metal centers.
Anhydrous calcium chloride undergoes absorption because it combines with water molecules to form hydrated calcium chloride
The dynamics of vapor adsorption on colloid coated on the metal pipe surface is studied. Those systems during which silicon dioxide grains were wont to coat the heat-exchanger pipes were utilised for heat-transfer improvement in adsorption chillers.
Final answer: d) All of these.
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