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What are universal indicators |
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Answer» It is a special type of indicatoer which not only detect that the given substance is acid or base it also detect that it is strong acid, strong base , weak acid or weak base . ph is universal indicator. Universal indicator is a pH indicator that transitions through numbers 3-12 (on the pH chart) to indicate the acidity or alkalinity of solutions.\xa0Details:\tpH value: Approximately 7A universal indicator is typically composed of water, methanol, propan-1-ol, phenolphthalein sodium salt, methyl red sodium salt, bromothymol blue monosodium salt, and thymol blue monosodium salt . |
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