Quiz Medium 4 Categories Quizzes 0 Quiz Medium 4 1 / 25 Which of the following is insoluble in water? MgSO4 BaSO4 BeSO4 CaSO4 2 / 25 Which are the most primitive group of algae? Blue green algae Green algae Brown algae Red algae 3 / 25 Greenish yellow gas with pungent irritating odour Folorine Iodine Chlorine Bromine 4 / 25 It is mixed with warm affination syrup (a solution of water and sugar) to loosen the molasses surrounding the re sugar crystals is called Magma Raw Sugar Clarified sugar Refined Sugar None of these 5 / 25 AX2E type compounds are T-shaped perfectly trigonal planner Y-shaped Non polar 6 / 25 The boiling point of water is unexpectedly high because H2O molecule is linear Oxygen is the first member of the VI group There is hydrogen bonding consequent association of H2O molecules sp3-hydrogen bonding is involved in the formation of water 7 / 25 Is a chain silicate Tremolite Zeolite Olivine Beryl 8 / 25 CoCl3 6 NH3 has six NH3 molecules that satisfy the valency of the Co3+ metal ion Secondary None of above Primary Both a and b 9 / 25 A covalent bond which is formed between two atoms by the overlap of atomic orbitals along their axis is called Sigma bond Pi-bond Non polar bond Polar bond 10 / 25 The bonds formed by complete transfer of electrons from electropositive to more electronegative atom is called Covalent bond Ionic bond Co-ordinate bond Metallic bond 11 / 25 Which of the following chloride is soluble in hot water? Hg2CI2 PbCI2 AgCI All above 12 / 25 In chlorophytes, the main energy stores are Starch Cellulose all these Glycogen 13 / 25 One of the followings played an infamous role in human history: Polysiphonia Physarum Phytophthora 14 / 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 15 / 25 Unlike s-block elements d-block elements forms which compounds as well Coordinate compounds Covalent compound Ionic compound None of above 16 / 25 Which of the following carbides reacts with H2O to form propone? SiC AI4C3 SiC CaC2 17 / 25 Flourine does not show variable oxidation state, because of Non-availability of d-orbitals Low dissociation energy of F-F bond Its high electronegativity Its small size 18 / 25 Which 6 months of Quaid-e-Azam death pakistan constituation Bill of fundamental rights reports on basic principles Objective resolution The first draft of constituation 19 / 25 Which is the sequence of region of electromagnetic spectrum? Microwaves, x-rays, visible and UV Visible, UV, X- rays and cosmic rays Cosmic rays, X-rays, visible and UV UV, Cosmic rays, Microwaves , x-rays and visible 20 / 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] 21 / 25 Which compound shows hydrogen bonding C2H5OH CH3-O-CH3 C2H6 C2H5CI 22 / 25 Which of the following sulphide is yellow in colour? CdS HgS CuS SnS PbS 23 / 25 Which of the following have identical bond order? O2- and CN+ NO+ and CN+ CN- and O2- CN_ and NO+ 24 / 25 Which of the following has the maximum ionic character? HF HBr HCIO2 HI 25 / 25 The attraction which exists between carbon dioxide molecules in solid carbon dioxide ( or dry ice) is due to Hydrogen bonds Molecule-ion forces Ionic bonds Van der WAAls forces 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
