Chemistry Tests of Graduation Chemistry (Graduation) Tests 186 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 Ozone can react with which chemical specie:- HO' All of above O NO 2 / 25 In which part of the cell the genome is replicated:- Golgi Nucleus Nuclear membrane Cytoplasm 3 / 25 Which technique can be used to extract metal ion chelates:- Sublimation evaporation GC Solvent extraction 4 / 25 The basic strength of hydrides of group 15 elements vary in the following order:- NH3< PH3> AsH3> SbH3< BiH3 NH3> PH3< AsH3> SbH3> BiH3 NH3> PH3> AsH3> SbH3> BiH3 NH3> PH3> AsH3< SbH3> BiH3 5 / 25 Which factor affect the separation in IC:- all of the above swelling of the resins selectivity of the resins Ion capacity 6 / 25 Mitochondrial DNA is only ____ letters long:- 9569 Three trillion 200-300 16,569 7 / 25 Which technique describes titrations in which a standard iodine solution is used:- None of these Argenometry Iodimetry Potentiometry 8 / 25 Which of the following properties is explained by the electron gas model:- All of the above Metallic lustre Thermal and electrical conductivity Ductility and malleability 9 / 25 H-bond has a preferred bonding directions like:- Ionic bond Covalent bond Coordinate bond None of them 10 / 25 Aqueous solution of H2O2 is:- Strongly acidic Basic Neutral Weakly acidic 11 / 25 The type of column in which the liquid stationary phase is coated on the modified smooth inner wall of the tube is called:- porous layer open tubular column wall coated open tubular column packed column open tubular column 12 / 25 The reaction of fat with sodium hydroxide is called:- esterification saponification hydrolysis reduction 13 / 25 Before the action of lipase the fat is emulsified by:- lipoprotein Bicarbonates Ergosterols Phospholipids 14 / 25 Tetra halides of which elements do not undergo hydrolysis:- All above Si C Sn 15 / 25 Water is often treated with chlorine to:- Remove hardness Increase oxygen content Kill germs Remove suspended particles 16 / 25 The correct Lewis strength order is:- BCl3 > BBr3 > BF3 BBr3 >BCl3> BF3 BCl3 > BBr3 < BF3 BCl3 < BBr3 > BF3 17 / 25 Which is not pollutant from the exhaust of motor:- Hydrocarbons NOx Fly ash Carbon monoxide 18 / 25 Which set of raw material is most suitable for manufacturing of urea:- CH4, N2,and CO2 H2,N2 and CO None of these Both of these 19 / 25 Which element show least ionization potential:- N Bi Sb As 20 / 25 The electrolytic method superpasses all other methods due to:- Cheapness Easy available A;l above Purity 21 / 25 All of these obey Mendel's law except:- Segregation Independent assortment Dominnance Linkage 22 / 25 Inn Northern Blotting detection is performed by one f these:- Chromatography Chemiluminescence Lcm-ms Spectrophotometer 23 / 25 Which statement is correct about effect of particulate matter:- All of the above Aggravation of asthma With ozone act as allergens Affect the lungs of adult 24 / 25 An inducer is not required in the type of enzymes:- Constitutive enzymes Isoenzymes Inducible enzymes Allosteric enzymes 25 / 25 PCl5 act as a:- Lewis base Lewis acid weak acid Weak base Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here