Q. In the first stage in Contact process, sulfur (S₈) is burned to form

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Q. The conversion of sulfur dioxide (SO₂) to sulfur trioxide (SO₃) is basically

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Q. Sulfuric acid is not used in

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Q. Sulfuric acid (H₂SO₄) is used in

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Q. The basic formula for monobasic acid is

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Q. The position of equilibrium will be left if the value of Ka is

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Q. Value of Ka can be calculated by determining

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Q. The pH of a weak acid can be calculated by knowing

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Q. Ka is called

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Q. A substance that can accept a proton from another substance is

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Q. According to Bronsted -Lowry concept, an acid is a

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Q. Bronsted-Lowry concept was presented independently in

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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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