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19. This acid attacks and dissolves mineral called calcite.​

Sagot :

Answer:

19. Citric Acid

Citric acid is an organic compound with the chemical formula HOC(CH₂CO₂H)₂. It is a colorless weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms.