Burns brightly with a characteristic yellow flame to form white sodium oxide.
1 of 6
What is observed when magnesium reacts with oxygen?
Burns with a bright white flame to form a white magnesium oxide powder.
2 of 6
What is observed when aluminium powder is heated and reacts with oxygen? *
Burns brightly to give a white aluminium oxide powder. Coats the aluminium in a strongly bonded surface layer of oxide, protecting it from further reaction.
3 of 6
What must be done to red phosphorous (allotrope) before it will react with oxygen?
It must be heated.
4 of 6
What is observed when white phosphorous reacts with oxygen?
Spontaneously ignites in air and white smoke of phosphorous pentoxide is given off. If oxygen supply is limited, phosphorous trioxide is also formed.
5 of 6
What is observed when sulfur powder is heated and reacts with oxygen?
Burns with a blue flame to form colourless sulfur dioxide gas and small amounts of sulfur trioxide.
6 of 6
Other cards in this set
Card 2
Front
What is observed when magnesium reacts with oxygen?
Back
Burns with a bright white flame to form a white magnesium oxide powder.
Card 3
Front
What is observed when aluminium powder is heated and reacts with oxygen? *
Back
Card 4
Front
What must be done to red phosphorous (allotrope) before it will react with oxygen?
Back
Card 5
Front
What is observed when white phosphorous reacts with oxygen?
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