Home ECAT Chemistry Test 6 Online Preparation Mcqs ECAT Chemistry Test 6 Online Preparation Mcqs ECAT Chemistry Test 6 Online Preparation Mcqs With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. When blue litmus paper is put into vinegar, it changes its: A. Colour B. Size C. Shape D. None of allQuestion 1 of 15 Loading... Question 2 of 15 2. Which of the following substances is not sublime material? A. Ammonium chloride B. Potash alum C. Benzoic acid D. IodineQuestion 2 of 15 Loading... Question 3 of 15 3. Unit of ozone is: A. Esu B. Dobson C. CoulumbD. Debye Question 3 of 15 Loading... Question 4 of 15 4. In chromatography, colourless components can be located by using: A. Stationary phase B. Mixed phase C. Mobile phaseD. Spraying agents Question 4 of 15 Loading... Question 5 of 15 5. Polypeptide chains are coiled about one another into a spiral by: A. Hydrogen bondsB. Covalent bonds C. Van der Walls forces D. Ionic bonds Question 5 of 15 Loading... Question 6 of 15 6. A single free chlorine radical can destroy ozone molecules up to: A. 100000 B. 10000C. 100 D. 10 Question 6 of 15 Loading... Question 7 of 15 7. Which property is present in lipids? A. Form emulsionB. Soluble in water C. Liquid D. Solid or semi-solid Question 7 of 15 Loading... Question 8 of 15 8. Ammonia is injected under the soil surface: A. 6 feet B. 1 feet C. 12 inchesD. 6 inches Question 8 of 15 Loading... Question 9 of 15 9. Which is used as coagulant: A. a and b B. Potash alum C. Ferric salts D. ChlorineQuestion 9 of 15 Loading... Question 10 of 15 10. Plaster of Paris is mixed with with water, the expansion in volume is: A. 1% B. 4%C. 3% D. 2% Question 10 of 15 Loading... Question 11 of 15 11. All alkali metals react with acetylene to form acetylides except: A. Na B. Li C. K D. RbQuestion 11 of 15 Loading... Question 12 of 15 12. Isomorphic crystals show: A. Same crystalline form B. Same physical properties C. Same chemical propertiesD. Same melting point Question 12 of 15 Loading... Question 13 of 15 13. Nitrogen in the atmosphere is: A. 0.03%B. 78% C. 21% D. 0.9% Question 13 of 15 Loading... Question 14 of 15 14. Atmosphere thickness is (in km) around the earth: A. 1500 KmB. 100 Km C. 1000 Km D. 10 Km Question 14 of 15 Loading... Question 15 of 15 15. Which alkaline earth metal makes peroxide? A. Ca B. Mg C. Be D. BaQuestion 15 of 15 Loading... Loading... Related Study Posts:Online ECAT Test Preparation McqsMDCAT Test Chemistry Test Online PreparationKIPS Entry Test Preparation 2024 Online MDCAT ECAT NUSTBest Book for ECAT Entry Test Preparation BooksASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlinePPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineTESCO Jobs Online NTS Test Preparation McqsFIA ASI Sub Inspectors Job 2024 OTS Test Preparation…