WorksheetsMaterial World Metals
Total questions: 14
Worksheet time: 7mins
Mineral deposit concentrated enough to allow economical recovery of desired metal.
Mineral
Ore
Metallurgy
Alloy
The following are elements NON-METALS EXCEPT...
Carbon
Argon
Manganese
Iodine
In the periodic table, what is the metallic property trend?
Increasing (Left to right); Increasing (Bottom to Top)
Decreasing (Right to Left); Decreasing (Top to Bottom)
Decreasing (Right to Left); Increasing (Top to Bottom)
Increasing (Right to Left); Increasing (Top to Bottom)
A chemical reaction which is a process of surface degradation in metals due to an electrochemical reactions.
Corrosion
Erruption
Combustion
addition reaction
A chemical species in an electrochemical reaction that LOSSES electrons undergoes _________.
Oxidation Reaction
Reduction Reaction
A chemical species in an electrochemical reaction that GAINS electrons undergoes _________.
Oxidation Reaction
Reduction Reaction
What happens to corrosion at higher temperature?
Speeds up the reaction.
Slows down the reaction.
This is a "couple corrosion" where different metals are in contact to each other, and is exposed to the environment that leads to corrosion.
Composition Cell
Stress Cell
Concentration Cell
This is a "couple corrosion" where corrosion occurs at the site of most stressed point of a metal.
Composition Cell
Stress Cell
Concentration Cell
A corrosion where the oxidation and reduction occur in a uniform rate on the surface of a metal.
Galvanic
Uniform Attack
Pitting
Intergranular
A corrosion occurs at the grain boundaries of the alloying metals and in specified environment.
Galvanic
Uniform Attack
Pitting
Intergranular
Corrosion control. How to prevent corrosion of a metal window pane (Frame).? (Most logical method)
Paint Coating
Oil Coating
Galvanizing
The following are corrosion-resistant metals EXCEPT...
Stainless Steel
Copper-Based Alloys
Hastelloys
Iron Steel
How are metal alloys bonded?
Molecular Bonding
Covalent Bonding
Ionic Bonding
Metallic Bonding
