0% 0 Chemistry Quiz 14 1 / 50 Magnetic quantum number specifies___________? Shape of orbitals Orientation of orbitals All of the above Size of orbitals 2 / 50 Which of the following has orange flavour__________________? amyl lactate octyl acetate isobutyl formate ethyl butyrate 3 / 50 First organic compound synthesized in laboratory was _________________? urea methanol tartaric acid ethyl alcohol 4 / 50 Which one has the lowest density at room temperature ? NH3 CO Ne N2 5 / 50 Ethyl chloride with nascent hydrogen produces_________________? ethane propane butane methane 6 / 50 Iodoform test can be used to distinguish between_________________? acetaldehyde and methanal all of the above acetone and diethyl ketone ethanol and methanol 7 / 50 Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________? 8 6 4 2 8 / 50 The given dissociation constant (Ka) value 1.3?10-10 is of_________________? Alcohol Phenol Acetic acid Water 9 / 50 In which of the following layer of atmosphere there is more thickness of ozone layer ? photosphere troposphere mesosphere stratosphere 10 / 50 The complete reduction carboxylic acid results in the formation of________________? Alcohol Alkyne Alkane Alkene 11 / 50 Which of the following is most soluble on water? MgSO4 CaSO4 BaSO4 SrSO4 12 / 50 A process controlled by Distributive law is__________________? Filtration Crystallization Solvent extraction Sublimation 13 / 50 All the following variables are used to describle gases except__________________? moles density volume pressure 14 / 50 Which of the following is the formula of chrome red ? 2Pb CO3 ? Pb (OH)2 Pb3 O4 Pb2O Pb Cr O4 ? Pb (OH)2 15 / 50 Which of the following aqueous solutions would have the highest boiling point? 0.20 m glucose 0.20 m NaCl 0.25 m sucrose 0.15 m CaCl2 16 / 50 Number of moles in 1 kg of solvent is called_________________? molality mole fraction molarity normality 17 / 50 Combustion analysis is performed to determine__________________? Molecular mass Formula mass Molecular formula Empirical formula 18 / 50 The systematic name of sucrose is_______? 1-?-D- glucopyranosyl-2-?-D-fructopyranoside 11-?-D-glucopyranosyl-2-?-D-fructofuranoside 1-?- D- glucofuranosyl-2-?- D- fructofuranoside 1-?-D- glucofuranosyl-2-?-D- fructopyranoside 19 / 50 The most paramagnetic element is____________________? Chromium Manganese Iron Cobalt 20 / 50 Under what conditions the gases deviate from the ideal behavior ? High pressure B and C High temperature Low temperature 21 / 50 The oxidation of isopropyl alcohol will yield___________________? Propanoic acid propane Propanone Propanol 22 / 50 Among the halogens the rare element is________________? Chlorine Fluorine Iodine Astatine 23 / 50 Which gas is used for artificial ripening of green fruit ? Acetylene Carbon dioxide Ethane Ethylene 24 / 50 Which of the following possesses maximum hydration energy ? Na+ K+ Ca+2 Mg+2 25 / 50 Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ? methanoic acid carbonic acid ethanol acetic acid 26 / 50 The ore CaSO4.H2O has the general name_______________? Calcite Dolomite Plaster of Paris Gypsum 27 / 50 The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ? alkaline aquenous iodine Fehling solution aqueous bromine aqueous NaOH 28 / 50 Which one of the following molecules does not form alcohol when reacts with Grignard reagent ? carbondioxide acetaldehyde formaldehyde propanone 29 / 50 Homogeneous mixture of two or more than two compounds is called__________________? ion compound solution radical 30 / 50 Which one of the following is a bridge element? Cl P K Be 31 / 50 Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________? The presence of Oxygen The presence of excessive Oxygen The presence of Hydrogen The absence of Oxygen 32 / 50 In melting of iron, which of the following reactions takes place in Bladt Furnace at 400?C- 600?C________? Fe2O3+ 3CO???> 2Fe+ 3CO2 CaO+ SiO2??> CaSiO3 FeSiO3???> FeSiO3 2FeS+3O2???> 2Fe+ SO2 33 / 50 A specie with maximum number of unpaired electrons ? F NH-2 HF H2O 34 / 50 Sintered crucible is made up of________________? fiber porcetain glass Plastic 35 / 50 Magnesium metal does not burn in the vessel containing_______________? Ne N2 O2 N2 and O2 36 / 50 Which element is necessary for normal leaf development ? Mg Ba Si Ca 37 / 50 At constant temperature the pressure of an ideal gas is doubled its density becomes_______________? Same Double Half None 38 / 50 A single atom or group of atoms which gives characteristic properties to a compound is called_________________? radical functional group hydrocarbon ion 39 / 50 A method of separation of components from its solution using Distribution law is ___________________? Solvent extraction Distillation Crystallisation Sublimation 40 / 50 Heating phenol with Zn will yield_________________? Benzene Cyclohexane Phenoxide Benzoic acid 41 / 50 Common example of carbohydrates are__________________? Glyceraldehydes glucose peptone Cellulose glycogen galactose Glycerol phospho lipids collagen Legumin amylopectin albumin 42 / 50 Electric bulb filament is made of__________? Tungsten Aluminum Copper Lead 43 / 50 Any process of chemical decay of metals due to the action of surrounding medium is called__________________? enameling activation corrosion coating 44 / 50 Atomic orbits having same energy are called________________? Half filled orbitals Degenerate orbitals Anti bonding molecular orbitals Bonding molecular orbitals 45 / 50 Which element can form tripositive ion ? Carbon Aluminium Beryllium Silicon 46 / 50 Which of the following way in used for classification of chromatography ? Phase Shape Mechanism All 47 / 50 Rate of filtration can be increased by applying gentle suction______________? Gooch crucible Filter paper All of the above Sintered crucible 48 / 50 Main source of organic compounds is__________________? Coal Plants Animal Fossil 49 / 50 What is the Chemical formula of Zinc Hydroxide _________ ? ZnOH ZNO2 Zn2(OH)3 Zn(OH)2 50 / 50 Rutherford bombarded _________________ particles in discovery of nucleus? Gamma-rays X-rays Beta-rays Alpha-rays Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevChemistry Quiz 13 Chemistry Quiz 15Next
