The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All of the following are true about property of polymethyl methacrylate except:   (A) KHN 18-20   (B) chemical stable if heated till 260 degree F   (C) Modulous of elasticity is 2.4 Gpa.   (D) Tensile strength 29Mpa.
['(D) Tensile strength 29Mpa. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) KHN 18-20 \n (B) chemical stable if heated till 260 degree F \n (C) Modulous of elasticity is 2.4 Gpa. \n (D) Tensile strength 29Mpa. <> possible answers', '  All of the following are true about property of polymethyl methacrylate except: <> context@']