C. तटस्थ / Neutral
ExplanationStep 1: This is about the pH scale. Step 2: pH 7 represents a neutral solution, such as pure water. Step 3: Exam tip: pH < 7 acidic, pH = 7 neutral, pH > 7 basic.
Step 1: यह pH scale का प्रश्न है। Step 2: pH 7 तटस्थ विलयन को दर्शाता है जैसे शुद्ध जल। Step 3: परीक्षा टिप: pH < 7 acidic, pH = 7 neutral, pH > 7 basic।
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