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 4th day?
It is difficult to determine exactly what will happen to each bottle without knowing the specific amounts of salt, HCl, calcium hydroxide, vinegar, and baking soda that were added to each bottle. However, here are some general predictions based on what typically happens when these substances are added to water:
1. Bottle with salt: The water in this bottle may become cloudy or slightly discolored, and it may have a slightly salty taste and odor.
2. Bottle with HCl: The water in this bottle may become cloudy and it may have a strong, acidic smell. It may also be dangerous to handle without proper safety precautions.
3. Bottle with calcium hydroxide: The water in this bottle may become cloudy, but it should eventually settle to the bottom of the bottle as a white precipitate. It may also have a slightly soapy or bitter smell.
4. Bottle with vinegar: The water in this bottle may become cloudy and it may have a slightly acidic or vinegary smell.
5. Bottle with baking soda: The water in this bottle may become cloudy and it may have a slightly soapy or alkaline smell.
6. Control bottle: The water in this bottle should look and smell the same as it did at the beginning of the experiment, as nothing was added to it.
On the fourth day of the experiment, here's what is likely to happen to each bottle:
1st bottle (Salt added): The water with salt will remain unchanged in appearance and smell. Salt generally dissolves easily in water and does not alter its appearance or odor significantly.
2nd bottle (HCl added): The addition of HCl, a strong acid, to the water will result in a significant change. The water may become cloudy or discolored, and the smell will be acidic. HCl is a corrosive and strong-smelling acid.
3rd bottle (Calcium hydroxide added): When calcium hydroxide, a strong base, is added to water, it forms a milky suspension called lime water. The appearance of the water in this bottle will likely turn milky or cloudy, indicating the presence of calcium hydroxide. The smell might not change significantly in this case.
4th bottle (Vinegar added): Vinegar, a weak acid, may cause a slight change in the appearance of the water, possibly becoming slightly cloudy or discolored. The smell will be acidic, similar to vinegar itself.
5th bottle (Baking soda added): When baking soda, a weak base, is added to water, it typically dissolves completely and does not cause any significant changes in appearance or smell. The water in this bottle will likely remain clear and odorless.
6th bottle (Left unchanged): If the 6th bottle is left unchanged with no additional substances added, it will remain as plain water. The appearance will be clear, and the smell will be neutral.
It's important to note that these observations are based on typical outcomes; actual results may vary depending on the specific concentration and quantity of the added substances.