Home MDCAT Chemistry Test Online Preparation Mcqs MDCAT Chemistry Test Online Preparation Mcqs MDCAT Chemistry Test Online Preparation Mcqs with Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. Modern periodic table is based upon periodic function: A. Nuclide number B. Atomic mass C. Mass number D. Atomic numberQuestion 1 of 15 Loading... Question 2 of 15 2. A compound used as eye wash is: A. Pyroboric acidB. Metaboric acid C. Boric acid D. Borax Question 2 of 15 Loading... Question 3 of 15 3. If rate of decay of radioactive isotopes decreases from 200cpm to 25 cpm after 24 hours, what is its half life? A. 6 hours B. 8 hours C. 4 hours D. 3 hoursQuestion 3 of 15 Loading... Question 4 of 15 4. Down’s cell is used to prepare: A. Sodium bicarbonate B. Sodium metal C. Sodium carbonate D. Sodium hydroxideQuestion 4 of 15 Loading... Question 5 of 15 5. The sum of mole fractions of components of a solution is equal to: A. 1 B. 10 C. 0 D. 100Question 5 of 15 Loading... Question 6 of 15 6. Covalent bonds are: A. None-rigid and non- directional B. Rigid and non- directionalC. Non-rigid and directional D. Rigid and directional Question 6 of 15 Loading... Question 7 of 15 7. Fluted filter paper is used to: A. Increase rate of filtration B. Maintain rate of filtration C. None of above D. Decrease rate of filtration Question 7 of 15 Loading... Question 8 of 15 8. Collision theory explains: A. Molecularity of reaction B. Rate of reactionC. Order of reaction D. All of aboveQuestion 8 of 15 Loading... Question 9 of 15 9. Rusting can be avoided by: A. Tin or zinc plating B. Use of enamel C. Making alloys D. All of theseQuestion 9 of 15 Loading... Question 10 of 15 10. Column chromatography is a type of: A. None of aboveB. Mass conductivity C. Mass spectrometry D. Absorption chromatography Question 10 of 15 Loading... Question 11 of 15 11. Alcohols are derivatives of: A. Alkenes B. Alkynes C. BenzeneD. Alkanes Question 11 of 15 Loading... Question 12 of 15 12. Electro negativity of fluorine is: A. 4.0 B. 3.0 C. 2.8 D. 1.2Question 12 of 15 Loading... Question 13 of 15 13. Quantum number values of 2P orbital’s are: A. n = 2, l = 1 B. n = 2, l = 0 C. n = 1, l = 0D. n = 1, l = 2 Question 13 of 15 Loading... Question 14 of 15 14. Simplest aromatic compound is: A. Benzene B. Toluene C. Phenol D. Aniline Question 14 of 15 Loading... Question 15 of 15 15. According to Aufbau principle, the electrons are added first to the orbital: A. Of on shellB. In sub-levels of lowest energy C. In sub-levels of highest energy D. In sub-levels of zero energy Question 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Chemistry Test Online PreparationMDCAT Test Preparation Online Related Syllabus McqsNTS NUMS MDCAT Entry Test 2023 Online Preparation Mcqs…MDCAT Test English Test Online PreparationMDCAT Test Physics Test Online PreparationMDCAT Test Biology Test Online PreparationKIPS Entry Test Preparation 2023 Online MDCAT ECAT NUSTOnline ECAT Test Preparation McqsFPSC SST Test Preparation Mcqs OnlinePPSC Lecturer Test Preparation Online Mcqs