Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Aviation Fuel Contains? Diesel High Octane Light Naphtha Kerosene Medium Naphtha 2 / 25 The d orbital involved in SP3d hybridation is dx2y2 dz2 dxz dxy 3 / 25 Which type of the coal is preferred for metallurgical coal? Lignite Anthracite coal Bituminous coal Peat None of these 4 / 25 Which of the following oxo acid of chlorine is the best oxidization agent? HCIO3 HCIO4 HCIO HCIO2 5 / 25 What is the use of the addition of brine solution in the production of soap from castor oil and sodium hydroxide? To increase the purity of the soap obtained To speed up the reaction To lower the solubility of soap To remove unreacted castor oil and sodium hydroxide To make it more soluble in water 6 / 25 The element having electronic congiguration 1s22s2sp63s23p3 is Trivalent only Trivalent and pentavalent Pentavalent only Tetravalent only 7 / 25 The soap and detergents are source organic pollutants like all of these polyphosphate sulphonated hydrocarbons glycerol None of these 8 / 25 The word ceramic meant for soft material hard material dry material binding material burnt material 9 / 25 Example of Rhodophytes are Polysiphonia Both of these Chondrus Pinnulana 10 / 25 H-bond has more energy than the cvan der Waals forces I,e. 2.0kacl/mole 20.0kcal/mole 1.0kcal/mole 10.0kcal/mole 11 / 25 Which of the following statements is wrong? Covalent compounds have low melting and boiling points Ionic compounds conduct electricity in the fused state Ionic solids do not conduct electricity is solid state Covalent compound are generally soluble is polar solvents 12 / 25 Types of carbides Interstitial carbides Covalent carbides Ionic carbides Any of above 13 / 25 During the last two countries, the atmospheric CO2 contents are increased by 0.35 0.15 0.5 0.25 14 / 25 Group VIB of tsansition element contain Zn, Cd, Hg Cr, Mo, W Mn, Te, Re Fe, Ru, Os 15 / 25 Florine from florides reacting with Any of above Metals Non-metal Metallic 16 / 25 Pick out the incorrect statement regarding halogens Iodine is converted into silver iodide, which is used in the manufacture of photographic films Cl2, Br2 and I2 all oxidize sodium thiosulphate ro sodium sulphate Chlorine displaces bromine and iodine from aqueous solution of bromides and iodides Aq. Solution of CI2 Br2 or I2 oxidize H2S to S 17 / 25 Fats and oils are Base Salts Acids Alcohols None of these 18 / 25 Rotary spinning process is used to produce Optical fibre Glass marble Glass wool All of the above None of above 19 / 25 A type of coordinate compounds Both a and b Inert None of the above Labile 20 / 25 Which of the following does not react with sodium hydroxide solution? Fat Ethanol Vinegar Water Carbon Dioxide 21 / 25 Presidency of UN Security council states among the member state of Every year Every 6 month Every 3 months Every month 22 / 25 Which of the following represents the correct order of increasing pKa value of the given acids? HCIO4<HNO3<B(OH)3<H2CO3 HCIO4<HNO3<H2CO3<B(OH)3 B(OH)3<H2CO3<HCIO4<HNO3 HNO3<HCIO4<B(OH)3 < H2CO3 23 / 25 A combination of atomic orbitals produces a large number of closely special energy states brown as Band of energy None of the above Packet of energy Both a and b 24 / 25 During the preparation of soap the liquid separated by distillation in oil Sodium hydroxide glycerol stearic acid fats 25 / 25 ________ remove the remaining producing a water-white sugar syrup Annealing Centrifuge None of the above Carbon Filters Refining Your score is Share: Quiz Dad Previous post Quiz Medium 3 October 1, 2022 Next post Quiz Medium 5 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