Medical MCQs Medical Mcqs
Q Which of the following is NOT true of polymethyl methacrylate ?
  • A A. Knoop hardness number 18 to 20
  • B B. Tensile strength of 60 mpa
  • C C. Density of 1.13 g/cm3
  • D D. Modulus of elasticity of 3.4 gpa
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