beacause salt melts ice.
'Faster' is NOT the correct word. Pure water freezes at a higher temperature , than salt water, BUT no FASTER.
Salt lowers the freezing point of water, meaning it needs to be colder for the salt water to freeze compared to pure water. The salt itself does not freeze because its freezing temperature is much lower than that of the salt water solution.
If the salt is still in the water it will freeze inside the water so its technically frozen
if you add salt to water, it will freeze at a lower temperature.. i do not think it is possible at a temperature below zero degrees.
It is NOT a case of 'longer' or 'quicker'. Salt water freezes at a LOWER temperature than pure de-ionised (distilled) water. The freezing point of pure de-ionised (distilled) water. is 0 oC salt water is ' -6 0C '. How long or quick it takes to go from 0 oC to -6 oC is a matter of time and the ambient temperature. NB There is a whole lot of physical chemistry devoted to the depression of freezing points Cryoscopic Constants. Conversely there is a whole lot of physical chemistry devoted to the elevation of boiling points Ebullioscopic Constants. pure water boils at 100 0C salt water boils at 102 oC (depending on conc'n of salt). The above temperatures refer only to water at standard temperature and pressure (STP).
no salt water does not freeze faster than sugar.
salt water
Salt water will.
Yes, salt water does indeed freeze. The addition of a solute (salt in this case) to a solvent (water) will always lower the solution's freezing point. This just means it needs to be colder than 32oC to freeze the salt water.
weak salt water
normal water with salt
Pure water freeze faster.