What would happen if you put orange juice in one cup and soda the other let them stand for three days?

If you put orange juice in one cup and soda in the other and let them stand for three days, several changes would likely occur:

Orange Juice:

- Spoilage: Orange juice is perishable and contains natural sugars that can support the growth of bacteria and yeast. After three days at room temperature, the orange juice would likely become spoiled, resulting in an off-flavor, sour taste, and potential fermentation.

- Oxidation: The oxygen in the air can cause the compounds in orange juice, including vitamin C and other antioxidants, to oxidize and lose their potency. This may affect the flavor and nutritional value of the juice.

- Mold Growth: Depending on the conditions and the presence of mold spores in the environment, mold might start to grow on the surface of the orange juice.

Soda:

- Flatness: Soda contains carbon dioxide gas, which gives it its characteristic fizziness. Over time, the carbon dioxide gas can escape from the soda, causing it to become flat and lose its refreshing taste.

- Staling: The flavor of soda can also deteriorate over time due to the breakdown of sweeteners, flavors, and other ingredients. This can result in a stale or bland taste.

- Sugar Crystallization: If the soda contains a lot of sugar, it may start to crystallize, forming visible sugar crystals at the bottom of the cup or on the sides.

It's important to note that the specific changes that occur may depend on various factors such as the type of orange juice and soda, the temperature, and the presence of preservatives. For both orange juice and soda, refrigeration can help slow down the deterioration process and keep them fresher for a longer time.