1. Bottle with added salt: The water will still look like water, but it may have a slightly salty taste and smell to it.
2. Bottle with added HCl: The water will have become acidic and may have changed color. It will likely have a strong, pungent smell.
3. Bottle with added calcium hydroxide: The water will have become basic and may have changed color. It will likely have a slightly soapy smell.
4. Bottle with added vinegar: The water will have become slightly acidic and may have a slightly sour smell. It may also have changed color slightly.
5. Bottle with added baking soda: The water will have become slightly basic and may have a slightly bitter taste and smell. It may also have changed color slightly.
6. Control bottle (no added substances): The water will still look like water and should have no significant changes in smell or taste.
There are 6 bottles of water. Salt is added to the first one, a strong acid namely HCl to the 2nd one, a strong base namely calcium hydroxide to the 3rd one, a weak acid namely vinegar to the 4th one, a weak base namely baking soda to the 5th one and the 6th bottle of water is left in the same way.
What will happen to each bottle, what will each bottle look like and how will each bottle smell if we look at the experiment for the fith day?
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