❗️❗️ Flashcards

1
Q

What is borosilicate glass made off?

A

Boron trioxide and sand

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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

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3
Q

Four stages of waste water treatment

A

Sedimentation, aerobic digestion, anaerobic digestion, screening

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4
Q

What’s bronze made off?
What’s brass made off?

A

Copper and tin
Copper and zinc

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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

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6
Q

What happens during polymerisation?

A

C=C breaks and the monomers join together with single bonds

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