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The lower the pH, the more acidic a substance is. Citric acid is used to prevent apples from browning once they are cut. Therefore, an acid, low pH prevents browning. This is done by keeping oxygen from reacting with the apple with the barrier created by the citric acid.

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pH can affect the rate of browning in foods by influencing the activity of enzymes such as polyphenol oxidase. In general, lower pH levels (more acidic conditions) can inhibit the activity of polyphenol oxidase, leading to slower browning reactions. Conversely, higher pH levels (more alkaline conditions) can activate the enzyme, resulting in faster browning.

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Q: How does pH affects the rate of browning?
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Why does baking soda turn apples brown?

Baking soda has a higher pH level, which can accelerate the browning process in apples by increasing the rate of enzymatic browning reactions. Enzymatic browning occurs when the enzyme polyphenol oxidase reacts with oxygen in the air to produce brown pigments in the apple flesh.


What is the pH of Hf?

The pH of hydrogen fluoride (HF) is around 3.17. It is considered a weak acid in solution, a property that affects its pH level.


What is a hypothesis for how pH in water Affects Copper Corrosion?

A hypothesis could be that as the pH of water decreases (becomes more acidic), the rate of copper corrosion increases. This is because lower pH levels can increase the availability of hydrogen ions which can accelerate the oxidation of copper. Conversely, at higher pH levels (more basic), the corrosion rate may decrease due to the formation of protective oxide layers on the copper surface.


How does pH affect milk?

pH affects milk by determining its acidity level. Changes in pH can impact the taste, texture, and overall quality of milk. For example, a lower pH can lead to souring or curdling of milk, while a higher pH can affect its shelf life and safety.


Importance of pH level in landfill sites?

Oh, dude, pH level in landfill sites is like super important because it affects the breakdown of waste. When the pH is too low or too high, it can mess up the whole decomposition process. So, like, you want to keep that pH level in check to make sure everything's rotting away nicely.