Salty water boils at a higher temperature than pure water does.
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salt helps to bring the water to the boil faster.
yes
makes it boil faster
No, salt water does not boil faster than water with pepper. Adding salt or pepper to water may change its boiling point slightly, but the difference is not significant enough to affect the time it takes to boil.
yes
Yes
salt has to break down first
Adding salt to water actually increases its boiling point, so it will take longer for saltwater to boil compared to plain water. It is not recommended to add salt solely to make the water boil faster.
possibly...
it makes the water boil faster
Salt water boils more rapidly then unsalted water.