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प्रश्न
A beaker of concentrated hydrochloric acid has a pH of 1. What colour will full range universal indicator turn if it is added to this beaker? Is it a strong or a weak acid?
लघु उत्तर
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उत्तर
A beaker of concentrated hydrochloric acid with a pH = 1 is highly acidic. Therefore, when a full-range universal indicator is added, it will turn red. Hydrochloric acid (HCl) is a strong acid because it ionises almost completely in water to produce hydrogen ions (H+).
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