Q4. oil rigs are used to drill for crude oil.
a. drill heads are made from steel. steel is an...
Q4. oil rigs are used to drill for crude oil.
a. drill heads are made from steel. steel is an alloy.
explain why alloys are harder than pure metals.
b. drill heads also contain diamonds.
describe as fully as you can the structure and bonding in diamond.
c. polymers are produced from crude oil.
describe the structure and bonding in thermosoftening polymer and explain why thermosoftening polymers melt when heated.
Answers: 1
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