The pH of pure distilled water at room temperature is—

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• C-09-Q131If the in a solution rises to mol/L, the pH becomes—
• C-09-Q132If drops to mol/L, the pH becomes—
• C-09-Q133As increases, pH—
• C-09-Q134The pH of an acidic solution is—
• C-09-Q135The pH of an alkaline solution is—
• C-09-Q136The pH scale ranges from—
• C-09-Q137The strongest acid on the pH scale has the value—
• C-09-Q138The strongest alkali on the pH scale has the value—
• C-09-Q139The mixture of various acid and base indicators is called—
• C-09-Q140To measure the approximate pH of an unknown solution using a universal indicator we—