Question

A sugar cube is dropped into a hot cup of tea.
The tea is not stirred.
Which statement explains why the tea becomes sweet?
A The heated water molecules penetrate the sugar cube.
B The hot tea causes the sugar to melt.
C The sugar cube dissolves and its molecules diffuse.
D The sugar molecules get hot and evaporate.

Answer 1

Answer:

c the sugar cube dissloves and it's molecules diffuses

Answer 2

Given:

A sugar cube is dropped into a hot cup of tea.

The tea is not stirred.

To explain:

Why tea became sweet ?

Solution:

• When we drop a sugar cube into a hot cup of tea, that sugar dissolves in the intermolecular spaces in between the water molecules (solvent) of the tea.

• Now , since the tea is hot, the solute particles gain kinetic energy and the diffuse towards spaces (in the solution) which are deficient in sugar particles.

• As a result of this even distribution of sugar particles in the solvent, tea becomes sweet to taste.

$\star$ Hope It Helps.