81. Consider the following statements. 1. Rubber is polymer of isoprene. 2. Rubber, known as coagulation. 3. By increasing the among of sulphur, the rubber can be hardened. Which of the statements given above is/are correct about rubber? A. 1 and 2 B. 1 and 3 C. 2 and 3 D. 1, 2 and 3 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board