Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Elements of group 14 From M3+ and M4+ Exhibit oxidation state of +4 Exhibit oxidation state of +4 From M4_ and M4+ ions 2 / 25 Washing soap can be prepared by sponification with alkali of __________ of the following oil. Paraffin Oil Coconut Oil Kerosene Oil Rose Oil Groundnut oil 3 / 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 4 / 25 A no is increased by 20% and then decreased by 20% the final value of does not change decreased by 2% decrease by 4% Increase by 4% 5 / 25 A green alga having sheet-like body is Chlamydomonas Desmids Spirogyra Ulva 6 / 25 Stable metal ions structure are Is-electron group structure Noble gas structure Transition metal in structure, All of above 7 / 25 Sodium silicate is used All above In a soap industry For fixing labels to glass In the paint industry 8 / 25 Aviation Fuel Contains? Kerosene High Octane Diesel Light Naphtha Medium Naphtha 9 / 25 The solubility product constant (Ksp) of AgCI at 298K IS 8.5*10-17 4*10-10 1.8*10-10 1.7* 10-5 10 / 25 Ghas maximum property of catenation? Sn C Pb Si 11 / 25 Bakelite is obtained from phenol by reacting with Chlorobenzene Acetaldehyde Acetone Formaldehyde 12 / 25 What is clinker? Roasted argillaceous material Roasted calcareous and argillaceous meterial Roasted gypsum Roasted calcareous meterial 13 / 25 Dull red flame is observed with Calcium salt Sodium salt Barium salt Strontium salt 14 / 25 In superoxide, the oxidation no of oxygen is 1 -1 -0.5 15 / 25 The metallic character of group 14 elements does not change gradually has no significance decreases from top to bottom increases from top to bottom 16 / 25 [Ti( H2O)6]3+ absorb Red and white light Green and yellow light Red and blue light Yellow and red light 17 / 25 d2sp3 is oriented in a manner Trigonal Trtrahedral Trigonal bipyramidal Octahedral 18 / 25 Photosynthetic pigments in algae include PhycoerYthrin Carotenes chlorophylls all these 19 / 25 The value of one Bohar Magneton is 9-2.7 * 10-21 9-24*10-21 erg/g 92.7 * 1021 erg/g 9.27 * 10-21 erg/g 20 / 25 Which of the following statement about ciliates in incorrect? Diploid nucleus being smaller is responsible for cell's metabolism and growth? Their contracticle vacuole is responsible for water regulation Contains mainly uncicellular organisms They are even capable of sexual reproduction 21 / 25 Microsoft excel is electronic software packages? detabase spread sheet documents presentation 22 / 25 Example of Rhodophytes are Chondrus Both of these Pinnulana Polysiphonia 23 / 25 Increasing oxygen contents in oxyacids leads to An increase in thermal stability All above A decrease in oxidizing power An increase in acid strength 24 / 25 A covalent bond which is formed between two atoms by the overlap of atomic orbitals along their axis is called Pi-bond Polar bond Non polar bond Sigma bond 25 / 25 Which one of the following bonds between carbon-carbon is the strongest? Triple bond Double bobd Pi-bond Sigma bond 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
