Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 The composition of mixture of clay and limestone in the raw for cement materials is 25% limestone and 75% clay 30% limestone and 70% clay 15% limestone and 55% clay 75% limestone and 25% clay 55% limestone and 15% clay 2 / 25 Co-ordinate covalent found is formed by the sharing of electrons donating of electrons transference of electrons none of these 3 / 25 The force which holds the atoms together in a molecule is called Covalent bond Chemical bond Ionic bond Co-ordinate bond 4 / 25 The organisms having characteristics that exclude them from the other four kingdoms are included in the kingdom: Animalia Monera Plantae Protista 5 / 25 Strongest intermolecular hydrogen bond is formed in H2O H2S NH3 HF 6 / 25 According to Fajns rules, which one of following results in increased ionic nature of the covlant bond? Larger cation and smaller charge on anion Smaller cation and smaller charge on anoin Larger cation and larger charge on anion Smaller cation and larger charge on anoin 7 / 25 The reaction in which alkyle halides are heated with sodium metal in others solution to get alkenes is called Hofman reaction Kolbe's reaction Sydmere reaction Wurtz reaction 8 / 25 Which of the tetrachloride is resistant to hydrolysis? SnCI4 SiCI4 GeCI4 CCI4 9 / 25 The technique which involves the study of absorption of radiant energy by neutral atoms in the gaseous state is called Atomic emission Spectroscopy Nuclear megnatic resonance spectroscopy Flame Spectroscopy Atomic absorption spectroscopy 10 / 25 Which one of the following has the highest electron affinity? F2 CI2 I2 Br2 11 / 25 The outermost electronic configuration of most electronegative element is ns2np3 ns2np5 ns2np4 ns2np6 12 / 25 Metallic bond is treated essentially as in character Ionic Polar Non polar Covalent 13 / 25 Which of the following species have undistorted octahedral structures? XeF6 SiF62_ PF6_ SF6 14 / 25 Iodine is used is Tincture All above Iodex as antiseptic Treatment of goiter 15 / 25 H-bonding also exist in living system like Protein None of the above Both a and b DNA 16 / 25 Soapy detergents and soapless detergents behave differently in hard water because they Above A and C both have different hydrophilic heads have different pH values have different hydrophobic hydrocarbon chains are made by different chemical methods 17 / 25 In Pakistan how many units are involved in the production of glass 20 25 30 >25 none of these 18 / 25 In chlorophytes, the main energy stores are all these Glycogen Starch Cellulose 19 / 25 The central metal atom or ion and the ligands that are directly attached to it are enclosed in a square bracket called Coordination sphere Coordination number Coordination complex Coordination compounds 20 / 25 H-bond has more energy than the cvan der Waals forces I,e. 1.0kcal/mole 10.0kcal/mole 20.0kcal/mole 2.0kacl/mole 21 / 25 The shift of absorption of light higher wavelength is called Hyprochromic shift Bathochromic shift Auxochromic shift None of these 22 / 25 The percentage of s-character in the hybrid orbitals sp, sp2, and sp3 follows the pattern. sp= sp2=sp3 sp=sp2>sp3 sp>sp2>sp3 sp3>sp2>sp 23 / 25 The juice is allowed to boil at lower temperatures to protect the sugar from Solubility in water Remove impurities Caramelization Hardening Dewatering 24 / 25 Which type of the coal is preferred for metallurgical coal? Bituminous coal Anthracite coal Lignite Peat None of these 25 / 25 Which of the following has lowest oxidation state of central atom? K4[Fe (CN)a] [Co(CN)3]CI3 Na[Co(CO)] K3[Fe (CN)4] 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
