In contains a mild acid (citric acid) that does the cleaning. Ketchup works as well.
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As a percentage of the whole, I'm not sure. But it will be pretty high because there is the acid from the tomatoes and the acid from the vinegar in ketchup.
The level of acid in ketchup (catsup) mainly depends on the amount of vinegar (acetic acid) used, the other major constituents being tomato solids, sweeteners, salt, and spices. The pH normally varies from 3.89 to 3.92 for commercial brands. Originally the term ketchup was applied to condiments with a base of mushrooms or even walnuts. Modern ketchup uses ripe tomatoes, which increases the thickness over ketchup made with unripened tomatoes.
i think it contains citric acid
Ketchup is an acid
No. Citric acid is an organic acid
Citric acid is considered to be a weak acid.
Citric and acid ARE words, so the word form is citric acid!
The acid found in citrus fruits is called the citric acid and can provide a sour taste and helps fight of predators with its sting when it gets into your eyes so the acid in citrus fruit is citric :)
Citric acid is not malleable.
Citric acid (which is responsible for the sour taste) and ascorbic acid (which most of us know as vitamin C).