Q. Upon reaction with NaOH, Silicon dioxide (SiO₂) acts as

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Q. The oxides of sodium (Na) and magnesium (Mg) react with water (H₂O) to give off

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Q. Sulphuric(VI) acid (H₂SO₄) is formed upon the reaction of H₂O and

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Q. Metals are more reactive with oxygen

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Q. Group II metals burn with characteristic colors because

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Q. Which metal is most vigorously hydrolyzed?

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Q. Metal that is hydrolyzed most vigorously is

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Q. Upon oxidation, Strontium compounds give

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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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