In diluting acid solution, which of the following statements are correct?   I.    Add the acid into distilled water to dilute the acid solution II.   Add distilled water into acid to dilute the acid solution III.  Use serological pipette in transferring acid into a beaker containing distilled water IV.  Use serological pipette in transferring distilled water into a beaker containing acid     II and IV     I and IV     I and III     II and III

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