Sindh MDCAT 2018 paper ( PART 8 ) 1. The phenomenon in which certain elements emit invisible radiations is called: Spectroscopy Chromatography Radioactivity Gravimetry 2. How many chain isomers are shown by C5H12 ? 3 2 4 5 3. Which one of the following is the pure carbon compound and used as reducing agent in industries Coal tar Coal gas Coke Petroleum 4. When electricity is passed through water in the presence of an acid oxygen is produced Hydrogen CO Carbon CO2 5. The rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as: Law of conservation of energy Law of mass action Active mass law Law of conservation of mass 6. Which of the following reactions is NOT shown by Ketones? Reaction with NaHSO3 Reaction with HCN Reaction with 2,4-dinitrophenyl-hydrazine Reaction with Fehling solution 7. The boiling point of water Is highest than other hydrides because *water molecules can form: 1 hydrogen bonds 2 hydrogen bonds 4 hydrogen bonds 3 hydrogen bonds 8. The Neutron was discovered by Goldstein Thomson Rutherford Chadwick 9. Which alkyl halide has the lowest reactivity for a particular alkyl group R-F R-I R-CI R-Br 10. The normal pH of blood is: 7.05 7.35 7.25 7.75 Loading … Pages: 1 2 3 4 5 6 7 8 9 10