Reaction with Oxygen (AQA A-Level Chemistry): Quizzes

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Reaction with Oxygen
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What flame colour is observed when sodium reacts with oxygen?

Bright yellow

What is the approximate pH of MgO\text{MgO} in water?

9-10

Which property describes Al2O3\text{Al}_2\text{O}_3?

Amphoteric

How does phosphorus react with oxygen in air?

Combusts spontaneously

What flame colour is produced when sulfur burns in oxygen?

Blue

What is the pH range of Na2O\text{Na}_2\text{O} in water?

13-14

How does SiO2\text{SiO}_2 behave in water?

Insoluble but acidic oxide

What acid forms when P4O10\text{P}_4\text{O}_{10} dissolves in water?

H3PO4\text{H}_3\text{PO}_4

What catalyst is used to oxidise SO2\text{SO}_2 to SO3\text{SO}_3?

Vanadium(V) oxide

Which oxide produces a more alkaline solution in water?

Na2O\text{Na}_2\text{O}

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