Pyro Flashcards
What is needed for burning
Oxygen heat fuel
How do u put fires out
By taking at least 1 of the burning triangle for example use water to take away heat
How can oxygen be produced
Put potassium permanganate crystals in to a boiling tube holdthe boiling tube over a blue Bunsen flame until you heailtr a crackling sound then light a splint and blow it out so that there is a glow at the end of it add the glowing splint to the tube after that continue to heat for another 5mins and allow to cool
What is the test for oxygen
pure oxygen relights a glowing splint
What is an element
Elements are substances containing 1 type of atom
What are compounds
A compound is 2 or more elements chemically combined
What is a permanent change
A change that cannot be undone
What is a temporary change
A change that can be undone
What is a endothermic reaction
A reaction that takes heat in
What is an exothermic reaction
A reaction that gives heat out
What do u need for something to rus
Air and water
What colour flame does calcium have when burnt
Brick red
What colour flame does sodium have when burnt
Orange
