Q. In Phosphoric acid H₃PO₄, the oxidation state of Phosphorus is

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Q. Aluminum oxide acts as a base when it reacts with

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Q. With purely ionic bonding, the oxides of metal sodium and magnesium produce with water the

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Q. The pH of the H₂SO₃(aq) is

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Q. Aluminum oxide never react or dissolve in

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Q. Sulfur dioxide (SO₂) and sulfur trioxide (SO₃) react and dissolve in water yielding

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Q. Consider the equation: Mg(OH)₂(s) + HCl → MgCl₂. The other by product is

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Q. An acidic oxide (non-metal oxide) does not react with

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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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