Dental Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid A Condensation silicone B Polyether C Polysulfide D Poly vinyl siloxane 💡 Explanation Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid ✓ Correct Answer: D. Poly vinyl siloxane