Q. Following substance acts as amphoteric species

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Q. A substance that can behave as an acid as well as base is called

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Q. PH range of phenolphthalein is

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Q. Methyl orange is red in solution of pH

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Q. Which one of the following gives no color in acidic medium?

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Q. The colored organic compounds that change color in solution as pH of solution changes are

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Q. Thymol blue give color in basic solution

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Q. PH is negative logarithm of the hydrogen ion concentration in

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Q. pH + pOH =

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Q. When the pH of the solution is less than 7, the solution is

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Q. Negative logarithm of the hydroxide ions is

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Q. Basic solutions have pH value

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Q. The pH of human blood is maintained at

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Q. The pH of acid rain is

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Q. For 0.01M solution of NaOH, the pOH is

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Q. These are acceptors atoms of high positive charge, small size

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Q. Hard bases have properties

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Q. These are easily oxidized

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Q. Example soft base is

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Q. The concept of strong and weak acids and bases was given by

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