He kaha ngā waikawa kohuke, pērā i te waikawa pūhaumāota. Mā ēnei waikawa e pūnguru ai te konganuku. Kāore i te pērā rawa te kaha o ngā waikawa whaiwaro, pērā i te waikawa rēmana (RP 2009:432). / Mineral acids, such as hydrochloric acid, are very strong. These acids will corrode metals. Organic acids, such as citric acid, are not as strong.

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