Answer
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Hint: In order to find which of the following pairs will not exhibit diffusion, we must first have an idea about what diffusion is? Diffusion is said to be the movement of the molecule from a higher concentration region to a lower concentration region below the concentration gradient.
Complete step by step answer:
Let us first understand diffusion. Diffusion is said to be the movement of the molecule from a higher concentration region to a lower concentration region below the concentration gradient. Diffusion is of two types:
- Simple diffusion
- Facilitated diffusion
There are certain factors that will affect the diffusion process, they are the size of the particle, temperature, area of interaction, and the steepness of the concentration gradient.
- Let us now move onto the question given. Salt and sugar are both solid particles and hence these pairs will not be able to move freely. Diffusion will be the slowest in the solid substance. Hence this is the correct option.
- In the remaining option, water is given and it is usually present in the liquid form and hence it can easily exhibit diffusion. So, the correct answer is “Option A”.
Note: We have to remember that diffusion is different from osmosis. Osmosis is said to be the movement of the molecule from a lower concentration region to a higher concentration region through a semipermeable membrane.
Complete step by step answer:
Let us first understand diffusion. Diffusion is said to be the movement of the molecule from a higher concentration region to a lower concentration region below the concentration gradient. Diffusion is of two types:
- Simple diffusion
- Facilitated diffusion
There are certain factors that will affect the diffusion process, they are the size of the particle, temperature, area of interaction, and the steepness of the concentration gradient.
- Let us now move onto the question given. Salt and sugar are both solid particles and hence these pairs will not be able to move freely. Diffusion will be the slowest in the solid substance. Hence this is the correct option.
- In the remaining option, water is given and it is usually present in the liquid form and hence it can easily exhibit diffusion. So, the correct answer is “Option A”.
Note: We have to remember that diffusion is different from osmosis. Osmosis is said to be the movement of the molecule from a lower concentration region to a higher concentration region through a semipermeable membrane.
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