A pH indicator is a substance that changes color in response to changes in the pH of a solution. It is used to visually determine the acidity or alkalinity of a solution., Common pH indicators include litmus paper, phenolphthalein, and methyl orange. These indicators exhibit distinct color changes at different pH ranges, allowing for qualitative assessment of pH.

Faculty of Engineering
Research lab focused on advancing scientific knowledge and innovation.
A pH indicator is a substance that changes color in response to changes in the pH of a solution. It is used to visually determine the acidity or alkalinity of a solution., Common pH indicators include litmus paper, phenolphthalein, and methyl orange. These indicators exhibit distinct color changes at different pH ranges, allowing for qualitative assessment of pH.

Faculty of Engineering
Research lab focused on advancing scientific knowledge and innovation.
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