Quiz Medium 5 Categories Quizzes 0 Quiz Medium 5 1 / 25 Pyridine is Diacid secondary base Monoacid tertiary base Diacid tertiary base Monoacid secondary base 2 / 25 The most reactive alkali metal among the following is Cs Na Rb Li 3 / 25 Which of the following is not an ore of iron? Siderite Magnetite Limon Monazite Haematite 4 / 25 The concentration required to give a signal equal to three times the standard deviation of the baseline (blank) is called Signal to noise ratio Detection limit Sensitivity None of the above 5 / 25 α-Amino acetic acid with HNO2 forms Glycolic Acid Nitroacetic acid Acetic acid Oxalic Acid 6 / 25 Which of the following property of liquids concerns with the interval resistance to its flow? Dipole moment Refractive index Optical activity Viscosity Surface tension 7 / 25 The compund (CH3)3COH according to IUPAC is known as 2-Methyl-2-propanol 1,1 - Diethylethanol Tert Alcohol 2,2- Dimethyl propanol Tert Butanol 8 / 25 Coulometry is based on the measurement of Electrical current Electrical Potential Dielectric constant Electrical Conductance 9 / 25 One arm of each t-RNA terminates in the base sequence CCA GGC ACT UGU 10 / 25 Beer's law is followed in Atomic absorption spectrophotometry Flame photometry Mass spectrometry Potentiometry 11 / 25 Boric acid is used All above In medicine as an anticeptic In tanning industry In manufacture of pottery glaze 12 / 25 2-Butanol is optically active because it contains A hydroxyl group Improper Rotation A plane of symmetry Centre of symmetry an asymmetric carbon atom 13 / 25 Which of the following technique is based on the absorption of light radiation Colorimetry ESR NMR All above Spectrophotometry 14 / 25 Four elements A, B, C, D hare atomic numbers Z-1, Z, Z+1 and Z+2 respectively. If Z is 9, then bond between which pair of elements will be ionic A and C B and C D and B D and C 15 / 25 The process in which ore in heated, generally in the absence of air, to expel water from a hydrated oxide at temperature below their melting points is called Froth-floatation Roasting Calcination Bessemerization 16 / 25 A drop of a liquid acquires spherical shape because of Its tendency to acquire maximum surface area Capillary action Its shape Its viscous nature Its tendency to acquire minimum surface area 17 / 25 A major constituent of material is one whose amount in the material is 1% or more 0.001 0.0001 1.1E-5 18 / 25 Copper is resistant to Alkali All are correct Acid Air Water 19 / 25 In the reaction HCN + H2O ↔ H3O+ CN- the conjugate acid-base pair is HCN, H3O+ HCN , CN- CN- , H3O + H2O, CN- 20 / 25 The order of percentage enolic character of malonic ester (I), acetoacetic eater (II) and cyanoacetic ester (III) is I > II > III III > II > I II > III > I II > I > III 21 / 25 Which of the following property has a higher value for trans-isomer as compared to cis-isomer? Melting Point Density Refractive Index Dipole Moment Boiling Point 22 / 25 Which of the following is not adsorptive separation process? Molex Parex Olex Penex None of these 23 / 25 Which of the following properties of a system does not change in a state of equilibrium? Concentration Density Pressure All of the above Colour 24 / 25 Heterolysis of which bond is likely to form carbanion C-Mg C-Cl C-N C-O 25 / 25 The relative populations of ground state and excited state populations at a given flame temperature can be estimated using Beer's law Boltzmann distribution law Maxwell law Lambert'slaw Your score is Share: Quiz Dad Previous post Quiz Medium 4 October 1, 2022 Next post Quiz Hard 1 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 3 1 October, 2022
