What is the primary mechanism of adsorption in activated charcoal?

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Question: What is the primary mechanism of adsorption in activated charcoal?

Options:

Correct Answer: Physical adsorption

Solution:

Activated charcoal primarily adsorbs substances through physical adsorption due to its high surface area and porous structure.

What is the primary mechanism of adsorption in activated charcoal?

What is the primary mechanism of adsorption in activated charcoal?

Step 1: Understand what adsorption means. Adsorption is when molecules stick to a surface.
Step 2: Know what activated charcoal is. It is a special form of carbon that has been treated to have many tiny holes (pores).
Step 3: Learn about surface area. Activated charcoal has a very high surface area, which means it has a lot of space for molecules to stick to.
Step 4: Recognize the type of adsorption. Activated charcoal mainly uses physical adsorption, which is when molecules stick to the surface without any chemical change.
Step 5: Connect the dots. Because of its high surface area and porous structure, activated charcoal can effectively adsorb many substances.

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