- Building Materials - Section 1
- Building Materials - Section 2
- Building Materials - Section 3
- Building Materials - Section 4
- Building Materials - Section 5
- Building Materials - Section 6
- Building Materials - Section 7
- Building Materials - Section 8


Building Materials - Engineering
Q1: The hardest rock isA
marble
B
diamond
C
talc
D
quartz.
< ANS:B - diamond Diamonds are not a rock. They are a mineral. Minerals are a "naturally occurring, inorganic (not alive) solid, they also have a crystal-shaped structure. |


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