nothing
You Really can't
Both are sodium chloride - NaCl. But they have different purity or grain size.
what is difference in a gold ring and rock salt
Rock salt (impure salt) is frequently colored.
sea salt but a little difference
Any difference exist.
A serous difference doesn't exist.
A salt with fine granulation is dissolved faster; also the solubility increase with the temperature. Stirring improve the speed of dissolution. Any difference between iodized or not iodized salt.
Any serious difference exist; also refined sea salt and rock salt are the same chemical compound - sodium chloride, NaCl.
The size of the salt granule.
Sea salt, rock salt, table salt - all are the same chemical compound - sodium chloride, NaCl.
No, rock salt and table salt both contain sodium chloride, so they have equivalent amounts of sodium. The difference lies in their granule size and texture, with rock salt having larger crystals than table salt.