Oxygen (all Ms Watson) Flashcards
Why does the water level rise in the experiment
Oxygen in the air reacted with phosphorus to form a new product, the water level rises to replace the space where the oxygen was
Describe two observations of carbon reacting with oxygen
Glowed red then burnt with orange flame
Describe two observations of Iron reacting with oxygen
Lots of sparks then burnt with orange flame
Describe two observations of magnesium reacting with oxygen
Bright white flame
Describe two observations of sulfur reacting with oxygen
Melts and burns with blue flame
Describe two observations of sodium reacting with oxygen
Melts and burns with a yellow/orange flame
Word equation for oxygen reacting
(Something) + oxygen -> (something) (di)oxide
What are the three words on the fire triangle
Heat,fuel and oxygen
What do powder fire extinguishers contain and suitable for what type of fire
Contains a powder which smothers the fire. Suitable for almost all types of fire
What are carbon dioxide fire extinguishers suitable for what type of fire
Used for fires involving electrical apparatus
What type of fires are water fire extinguishers used for
Burning solids, CANNOT be used on burning electric apparatus or burning liquids
What is combustion
Burning in oxygen (releases heat energy )
What is oxidation
Reaction with oxygen where a substance gains some oxygen
What is incomplete combustion
Burning in a limited supply/insufficient oxygen
What is crude oil a mixture of
Hydrocarbons
