It is difficult to answer this question definitively without knowing the specific amounts of salt, HCl, calcium hydroxide, vinegar, and baking soda added to each bottle. However, some general observations can be made:
1. The bottle with salt added to it may appear cloudy or have visible particles in it. Depending on the type of salt used, it may also have a salty smell.
2. The bottle with HCl added to it may have a strong, acrid smell reminiscent of vinegar or rotten eggs. It may also appear cloudy or have a yellowish color.
3. The bottle with calcium hydroxide added to it may appear cloudy or have visible particles in it. It may also have a slightly soapy smell.
4. The bottle with vinegar added to it may have a sour smell and could appear cloudy or have visible sediment.
5. The bottle with baking soda added to it may have a cloudy appearance and a slightly alkaline smell.
6. The 6th bottle of water, which was left untouched, should look and smell like plain water.
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 6th day?
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