Q. Lone pair of an electron to attack carbonyl carbon atom in Acyl chlorides is provided by

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Q. Acyl chloride which does not undergo hydrolysis at all is

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Q. Acyl chlorides (-COCl) quickly undergoes hydrolysis at room temperature with

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Q. Carminic acid gives purple color with

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Q. Litmus is used to test either the substance is

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Q. Addition of acid to indicator will shift the equilibrium towards

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Q. The insect which feeds on cactus has a scarlet pigment known as

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Q. Phenolphthalein changes color in

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Q. The color of the indicator is solely dependent upon concentration of

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Q. Many of pigments found in living things can be used as

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Q. Dye which changes color over a specific pH range is

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Q. Scrubbers are composed of

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Q. The excellent equilibrium yield of SO₃ at 450 °C is

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Q. In the contact process, a pressure used is just above

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Q. Sulfur can be mined from the ground and the states exporting it around the world are

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Q. The scrubbers acts against unconverted SO₂ and

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Q. To stop emission of SO₂ into atmosphere, the chimneys are covered with

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Q. The raw material required for the production of sulfuric acid is

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Q. SO₂ left at the end of the contact process should not be escaped as it can cause

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Q. The country is more developed if it is utilizing more chemical

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