Q. Metal out of four given below, that reacts most vigorously with water is

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Q. Ca(s) + H₂O(l) → Ca(OH)₂(aq) + H₂(g). The product Ca(OH)₂ is

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Q. Metal that must be kept under oil to avoid contact and reactivity with oxygen is

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Q. Upon oxidation, calcium (Ca) compounds give

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Q. Upon oxidation, barium (Ba) compounds give

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Q. Flares of metal are used in military air crafts to confuse infrared detection systems, the metal used is

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Q. Comparing, Phenol reacts readily than the benzene, so it is a

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Q. Bromine water does not react with benzene at

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Q. The reaction of Phenol with alkali results in a

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Q. Phenol dissolves well in

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Q. Bromine reacts with phenol and decolorize orange color and turns it to

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Q. Phenols undergo nitration in concentrated nitric acid to produce

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Q. Phenol reacts vigorously with sodium metal giving off

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Q. Acyl chlorides are made by reacting carboxylic acids with

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Q. Iodoform can be used as

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Q. Alkaline iodine solution is used to test

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Q. A yellow precipitate formed with methyl ketone is

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Q. CH₃CHO is an

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Q. In a positive test, yellow precipitate formed will be of

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Q. The reduction is a gain of

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