Does Salt Stop Water Freezing? Part 1

Hey blog readers!

This is one of those on the spot, no idea how this will turn out kind of experiment! I was in the kitchen and suddenly this experiment popped into my head. The idea is this: If salt can melt ice on roads then can it stop water freezing?

Step 1.

Take 4 pots and put cooking salt in one, ground sea salt in another, coarse sea salt in the third and nothing in the last one.

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Step 2.

Pour 80 ml of water (cold) in every pot.

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Note the salt didn’t dissolve; that’s part 2.

Step 3.

Place the four pots in the freezer for 2 1/2 hours.

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The temperature our freezer was on wasP1060051

Step 4. RESULT TIME

These are the results I got; if you got different results than I did leave a comment down below. There are plenty of variables that could change (the main being the water to salt ratio).

  • All the different salty waters (including the one with no salt) had frozen.
  • The plain ice block was completely solid.
  • The salty ice blocks all had small amounts of water on top as if the ice blocks had melted slightly.
  • The 4 different pots all froze as different colours.
  • The plain water ice block stuck to the tea towel but all the salty ones didn’t.
  • The plain water ice block was a lot slippery than the salty ones.

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Thanks for reading and stay tuned for part two where we will be using boiling water instead of cold water!

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One thought on “Does Salt Stop Water Freezing? Part 1

  1. Pingback: Does Salt Stop Water Freezing? Part Two | Home-ed Heads!

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