1.14.5 Life cycle assessments
Authored by Dave Leese
10th - 12th Grade
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bacteria extract copper using bioleaching
true
false
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Copper is most usually extracted using what method?
Phytomining
Displacement
bioleaching
eletrolysis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete the half equation: Cu2+ + __ --> __
e- Cu
Cu 2e-
2e- Cu
2e- 2Cu
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are nanoparticles so useful?
High surface:Volume ratio
Low Surface:Volume ration
Cheap
Expensive
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Rf?
solvent/spot
Distance moved
Height reached
spot/solvent
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I bleach litmus paper - what am I?
Chlorine gas
Oxygen gas
Hydrogen gas
Carbon dioxide gas
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