Welcome to the Quiz!
This quiz contains 18 questions from a mix of 1 subtopics.
Which oxides are classed as basic oxides?
(Select all that apply).
sodium oxide
magnesium oxide
phosphorus(V) oxide
sulfur(IV) oxide
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Aluminium oxide is known as an oxide beacuse it reacts with both and alkalis.
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Select ALL of the products formed in the reaction of aluminium oxide with hydrochloric acid.
H2O
AlH3
H2
Cl2
AlCl3
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Select the product formed in the reaction of aluminium oxide with hot, concentrated sodium hydroxide.
Na2O
Al(OH)3
NaAl(OH)3
Na[Al(OH)4]
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What type of oxide is phosphorus pentoxide?
acidic oxide
alkaline oxide
amphoteric oxide
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Which of the following oxides has a giant covalent structure?
phosphorus pentoxide
aluminium oxide
sodium oxide
magnesium oxide
silicon oxide
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Which of the following oxides exist as molecules?
(Select all that apply).
sulfur dioxide
phosphorus pentoxide
aluminium oxide
magnesium oxide
sodium oxide
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Which of the following oxides reacts with water to give a weakly alkaline solution?
sodium oxide
aluminium oxide
magnesium oxide
phosphorus pentoxide
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How does the pH of the solutions of period 3 oxides change across the period?
pH increases
pH stays the same
pH decreases
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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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What is the product of the reaction between magnesium and water at room temperature?
magnesium oxide and oxygen
magnesium hydroxide and oxygen
magnesium oxide and hydrogen
magnesium hydroxide and hydrogen
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What happens to the oxidation state of the period 3 element in its oxide as you move from left to right across the period?
it varies unpredictably
it increases
it decreases
it remains the same
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The pH of the resulting solution formed when sodium reacts with water is than the pH of the solution formed when magnesium reacts with water.
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What colour flame is produced when sulfur burns in oxygen?
red
white
yellow
blue
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Which equation correctly represents the reaction between the period 3 element and oxygen?
2Al + 3O2 ➔ Al2O3
2Mg + O2 ➔ 2MgO
4P + 4O2 ➔ P4O8
2Na + O2 ➔ 2Na2O
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Which of the following oxides is insoluble in water?
(Select all that apply).
magnesium oxide
aluminium oxide
phosphorus pentoxide
silicon dioxide
sodium oxide
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Which of the following statements is true about the bonding in aluminium oxide?
it is purely ionic
it is purely covalent
it has both ionic and covalent character
it has metallic bonding
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