Question

Q) What happens to the particles when sodium chloride is dissolved in water??

Answer 1

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$\bold{Ans:}$ when solid sodium chloride is dissolved in water,ba colourless solution is obtained because sodium chloride is made of very small particles which occupy the spaces available in between the water molecules.
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Answer 2

On addition to water the Na+ section of NaCl is attracted to the oxygen side of the water molecules, while the Cl- side is attracted to the hydrogens' side of the water molecule. This causes the sodium chloride to split in water, and the NaCl dissolves into separate Na+ and Cl- atoms.