Question

The diagram shows a sugar lump in a cup of tea.
Which two processes must happen to spread the sugar evenly in the tea?
second process
first process
A
diffusion
dissolving
diffusion
melting
B
с
dissolving
dissolving
melting
diffusion
D

Answer 1

A diffusion and dissolving are two processes must happen to spread the sugar evenly in the tea.

• When the sugar is put in tea, the sugar will dissolve in the tea because of the diffusion.
• This is because of diffusion, as the sugar will move down a concentration gradient.
• The movement of the sugar particles from a high concentrated area to a region of lower concentration takes place.
• Thus first diffusion and then dissolving takes place.

Answer 2

Answer:

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