❗️❗️ Flashcards
1
Q
What is borosilicate glass made off?
A
Boron trioxide and sand
2
Q
Process of bioleaching
A
Uses a bacteria to convert an insoluble copper compound into a soluble copper compound, separating it from the ore. Displacement with scrap iron or electrolysis can separate it from the leachate
3
Q
Four stages of waste water treatment
A
Sedimentation, aerobic digestion, anaerobic digestion, screening
4
Q
What’s bronze made off?
What’s brass made off?
A
Copper and tin
Copper and zinc
5
Q
What do you get in the complete combustions on an alkane?
Incomplete combustion of Alkenes?
A
Alkane+oxygen—> carbon dioxide + water
Alkene+oxygen—>carbon+ carbon monoxide+carbon dioxide+water
6
Q
What happens during polymerisation?
A
C=C breaks and the monomers join together with single bonds
