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Most bacteria prefer a fairly limited pH range; using citric acid (or vinegar, or any other weak organic acid) lowers the pH and makes it difficult for bacteria to grow.

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15y ago

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Do apples contain citric acid?

Yes, apples do contain citric acid. They have about 10 percent citric acid that helps to prevent them from spoiling.


Does citric acid rust nails?

Citric acid does rust nails because it dissolves it from steel.


Why does lemon juice clean pennies?

The citric acid reacts with the oxidation on copper.


Does zinc react with citric acid?

Citric acid causes two chemical reactions with zinc- oxidation and reduction. Oxidation is where the acid removes the two electrons on the outer energy shell of each zinc atom. Reduction is where the hydrogen ions in the citric acid accept the electrons being released by the oxidation reaction and form the hydrogen gas. Hope this helps :)


Which reactions of the citric acid cycle involve oxidation and decarboxylation?

Reaction 3, and 4.


Is citric acid a good reducing agent?

No, citric acid is not a reducing agent. It acts as a weak acid and does not typically participate in reduction-oxidation (redox) reactions as a reducing agent.


Why citric acid solution remain unstable?

Citric acid solutions can be unstable due to factors like exposure to air, light, and heat which can cause oxidation and breakdown of the citric acid molecules. Additionally, citric acid solutions may also be prone to microbial contamination, leading to degradation over time. Storage conditions and proper handling are crucial to maintaining the stability of citric acid solutions.


Carbon dioxide is released during what stage of cellular respiration?

Carbon dioxide is released during the Krebs cycle (also known as the citric acid cycle) in cellular respiration. This cycle takes place in the mitochondria of the cell and is responsible for generating energy in the form of ATP.


How many molecules of FADH2 are produced by the complete oxidation of one acetyl group by the citric acid cycle?

One acetyl group produces 1 molecule of FADH2 in the citric acid cycle.


What does glucose oxidation not yield?

oxidation of glucose, is the breakdown of glucose in ATP through four main process 1) glycolysis 2) preparation of pyruvic acid 3) citric acid cycle and 4) oxidative phosphorylation


Why didn't the squeezed limes work to prevent scurvy?

it is the ascorbic or citric acid a the ascorbic comes from vitamin c or the citric acid from the fruit which gives it the sour taste


Do strawberrys have citric acid?

No, strawberries do not naturally contain citric acid. They have malic acid and citric acid.