11 test Flashcards
1
Q
Extracting metals from their natural environment and preparing them for use
A
metallurgy
2
Q
What are the ingredients used to fuel a blast furnace to make iron?
A
Iron Ore, Limestone, Coke
3
Q
types of steel hardening
A
cold working
4
Q
A dentist uses this alloy of mercury and silver
A
Amalgam
5
Q
What is the most malleable metal?
A
Au
6
Q
Used to represent 92.5% purity
A
sterling
7
Q
Silver and Gold are extracting chemically from ore using this toxic substance
A
cyanide
8
Q
used to reduce pollution from automobiles
A
platinum
9
Q
A type of pollution where powdered ore is immersed in water to separate metals based upon their density
A
flotation
10
Q
A mixture of 2 or more metals
A
alloy
