Related Questions

__________ is the hardest material out of the following.
A Boron carbide
B Tungsten carbide
C Hardened steel
D Silicon carbide
Hardest material so far found is
A Diamond
B Graphite
C Carborundum
D Pumice stone
The hardest material just prior to diamond in Mhos scale is
A Topax
B Carborundum
C Corrundum
D Calcite
The hardest material just prior to diamond in Mho's scale is
A Topax
B Carborundum
C Corrundum
D Calcite
which of the following is the hardest element?
A Iron
B Diamond
C Copper
D Silicon
Which of the following is the hardest rock?
A Granite
B Coal
C Chalk
D Diamond
Which of the following is the hardest?
A Austenite
B Pearlite
C Bainite
D Martensite
Which one among the following is the hardest part of our body ?
A Skull bones of head
B Thumb nails
C Enamel of teeth
D Spinal vertebra
Among the following the hardest metal is
A Gold
B Iron
C Platinum
D Tungsten
The Hardest substance available on Earth is
A Diamond
B Wurtzite
C Platinum
D Gold

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