Mix
Standard electrode potential measures:
A) Reduction tendency
B) Mass only
C) Volume
D) Colour
Corrosion of iron is:
A) Electrochemical oxidation
B) Only physical
C) Only melting
D) Sublimation
Rusting needs:
A) Oxygen and water
B) Only nitrogen
C) Only oil
D) Only sand
Alloy is:
A) Mixture of metals
B) Pure metal
C) Only ionic
D) Only gas
Brass is alloy of:
A) Cu and Zn
B) Cu and Sn
C) Fe and C
D) Al and Mg
Bronze is alloy of:
A) Cu and Sn
B) Cu and Zn
C) Fe and Ni
D) Pb and Sn
Steel contains:
A) Fe and C
B) Cu and Zn
C) Al only
D) Hg only
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