AFNS — AFNS Chemistry
Mix
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#17 Standard electrode potential measures:
A) Reduction tendency
B) Mass only
C) Volume
D) Colour
Answer: A
#18 Corrosion of iron is:
A) Electrochemical oxidation
B) Only physical
C) Only melting
D) Sublimation
Answer: A
#19 Rusting needs:
A) Oxygen and water
B) Only nitrogen
C) Only oil
D) Only sand
Answer: A
#20 Alloy is:
A) Mixture of metals
B) Pure metal
C) Only ionic
D) Only gas
Answer: A
#21 Brass is alloy of:
A) Cu and Zn
B) Cu and Sn
C) Fe and C
D) Al and Mg
Answer: A
#22 Bronze is alloy of:
A) Cu and Sn
B) Cu and Zn
C) Fe and Ni
D) Pb and Sn
Answer: A
#23 Steel contains:
A) Fe and C
B) Cu and Zn
C) Al only
D) Hg only
Answer: A
#24 Nuclear chemistry deals with:
A) Nucleus changes
B) Only electrons
C) Only bonds
D) Only solutions
Answer: A
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