Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Which of the following metal oxides has the highest melting point?
silicon dioxide
phosphorus pentoxide
sodium oxide
magnesium oxide
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Which of the following statements is true about the bonding in aluminium oxide?
it has metallic bonding
it is purely covalent
it has both ionic and covalent character
it is purely ionic
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Which of the following oxides has a giant covalent structure?
aluminium oxide
silicon oxide
magnesium oxide
sodium oxide
phosphorus pentoxide
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Which of the following oxides exist as molecules?
(Select all that apply).
aluminium oxide
magnesium oxide
sulfur dioxide
phosphorus pentoxide
sodium oxide
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Which of the following metal oxides has the lowest melting point?
P4O10
SiO2
Na2O
SO3
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Which of the following oxides reacts with water to give a weakly alkaline solution?
aluminium oxide
magnesium oxide
sodium oxide
phosphorus pentoxide
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Which of the following oxides is insoluble in water?
(Select all that apply).
sodium oxide
phosphorus pentoxide
silicon dioxide
magnesium oxide
aluminium oxide
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How does the pH of the solutions of period 3 oxides change across the period?
pH decreases
pH increases
pH stays the same
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Sulfur oxide reacts with water to form an acidic solution sulfuric() acid, H2SO4.
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Phosphorus pentoxide, P4O10, reacts with to form an acidic solution of phosphoric(V) acid, HPO.
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