1. Which of the following is a natural polymer? (NEET 2020) (a) cis-1, 4-polyisoprene (b) Poly (Butadiene-styrene) (c) Polybutadiene 5. Natural rubber has (d) Poly (Butadiene-acrylonitrile NEET-UG 2015 Chemistry…
1. One would expect proton to have very large (1993) (a) Charge (b) Ionization potential (c) Hydration energy (d) Radius. Chemistry Notes Download Physics Notes Download Biology…
1. Which of the following alkane cannot be made in good yield by Wurtz reaction? (NEET 2020) (a) n-Hexane (b) 2, 3-Dimethylbutane (c) n-Heptane (d) n-Butane NEET-UG 2015…
1. The reaction of C6H5CH=CHCH3 with HBr produces : (a) (b) (c) (d) 2. (1) Li (2) Na (3) K (4) Rb NEET-UG 2015 Chemistry…
1. Which one is malachite from the following? (NEET 2019) (a) CuCO3.Cu(OH)2 (b) CuFeS2 (c) Cu(OH)2 (d) Fe3O4 https://www.youtube.com/watch?v=fzyCAsILg4o 2. Identify the incorrect statement. (NEET 2019) (a) The scientific…
1. Which of the following is not correct about carbon monoxide? (NEET 2020) (a) It forms carboxyhemoglobin. (b) It reduces oxygen carrying ability of blood. (c) The carboxyhemoglobin (hemoglobin bound…