Quiz Hard 2 Categories Quizzes 0 Quiz Hard 2 1 / 30 The noble gases are used due to having property Any of a or b both a and b Low boiling point Chemical inertness 2 / 30 When HCI is titrated against NaOH,THE pH. At the equilance point is >7 Zero <7 14 3 / 30 Hydrolysis of D-lactose gives It is not hydrolysed Glucose + fructose Glucose + galactose Galactose + fructose 4 / 30 Dolomite is a mineral whose function is CaSo4 CaCO3- MgCO3 CaCO3 MgCO3 5 / 30 Of the molecules, SF4 XeF4 and CF4, which have square planar geometry? CF4 only SF4, XeF4 and CF4 XeF4 only SF4 only 6 / 30 In each period, the most electropositive element belongs to group 1 2 17 18 7 / 30 Enzymatic action is best at a fixed Both of these Temprature None of these pH 8 / 30 Group IV A conaist of element 6 4 3 5 9 / 30 . Which of the following is renewable energy source? moon sun wind lakes ocean 10 / 30 the most convienient and nearestapproach ro a universalpH measurement pH strips pH indicator The emf method The colorimetric 11 / 30 Amino acids are important in biochemistry.Which of the following statement is notcorrect regarding amino acid? These for zwitter ion in aqueous medium In aqueous solutions,these substances tend to undergo internal proton transfer These always contain two amino groups These are amphotreic substances These may contain more one carboxyl or amine groups 12 / 30 Which one of the following sets of elements has the strongest tendency to form negative ions in gaseous state? N, 0, I, Ga, In, T1. Na, Mg, Al Ca, V, Cr 13 / 30 The fertilizers which provide single nutrient from NPK are called fertilizer Hybrid Compound Straight none Both a and b 14 / 30 Which of the following is not property of amino acid They have high m.p and b.p They are soluble in water They are amorphous slids Their dipole moments are high 15 / 30 TLC belong to which of the following does not belong to column chromatography? partition chromatography Adsorption chromtography ion exchange 16 / 30 What is the advantage of quench hardening? corrosion resistance improve strength waear characteristics hardness all of the choices 17 / 30 The wire of flash bulb is made up of Ag Cu Mg Ba 18 / 30 The geometry of XeF2 is square planner Triangular trigonal bipyramidal linear 19 / 30 the percentage of nitrogen in ammonium sulphate is 19 21 27 25 23 20 / 30 Lewes concept explain the formation of Covalent bond chemical bond Ionic bond Co-Ordinate bond 21 / 30 The formula of sulphur sesquioxide S2O3 SO3 SO4 S2O7 22 / 30 Which of the following is the basic indicator for titration of NH4OH with HCI? Eosin Eriochrome book Methyl red Phenolphthalein Methyl Orange 23 / 30 Carbohydrates are characterized by the presence of Carbonyl group Hydroxyl group Asymmetric carbon All of these 24 / 30 Which of the poly saccacharide on hydrolysis gives only fructose Cellulose Amylopectin Amylose Insulin 25 / 30 Gases and dust particles are removed from H2SO4 by Contact convertor Absorption tower Tyndal effect Drying tower 26 / 30 O2 molecule is Ferrmagnetic Paramagnetic Ferromagnetic Diamagnetic 27 / 30 Pick out the ideal conditions needed for the manufacture of H2SO4 by contact proem Low temperature, low pressure and high concentration of reactants Low tempernture, high pressure and high concentration of reactants low temperature, low concentration of reactant and low pressure High temperature, high pressure and high concentration of reactants 28 / 30 The noble gas(s) which does not I do not form any clathrates is/are argon He both a and b Ne 29 / 30 The common oxidation state of lanthanides is? 4 2 3 1 30 / 30 Which of the following is moat soluble in water? MgSO4 BaSO4 SrSO4 CaSO4 Your score is Share: Quiz Dad Previous post Quiz Hard 1 October 1, 2022 Next post Quiz Hard 3 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
