- 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 softest rock isA
marble
B
diamond
C
talc
D
quartz.
ANS:C - talc Moh's hardness number be like; |


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