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Moh's scale is used to measure :

  • A.Thickness
  • B.Hardness
  • C.Conductivity
  • D.Density

Answer: B

Mohs' scale is used to measure hardness.

Devised by Friedrich Mohs in 1812, the scale ranks minerals from 1 (talc) to 10 (diamond) by their resistance to scratching: a mineral scratches any below it on the scale. Forensic examiners use hardness in comparing minerals and soil particles.

Thickness, conductivity and density are measured by other methods, such as micrometers, conductivity meters and density gradient tubes. Mohs' scale is purely a hardness scale.

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