Tests of Chemistry (Intermediate) Chemistry MCQs (Intermediate) 5282 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Intermediate) Quiz 1 / 25 The oxidation number of chromium In K₂Cr₂O₇ is +6 +14 +7 +2 2 / 25 Organic compound have: Low melting and boiling points High melting and low boiling points None of these Low melting and high Boiling points 3 / 25 Breasted Lowery acid Donate OH- giveH+ Electron pair acceptor Donate H+ 4 / 25 Which is not correct about the comparison of AAS and ICP-AES:- Normal skills are required in operating AAS as compared to ICP-AES Detection limit is better in AAS as compared to ICP-AES Less interference in AAS as compared to ICP-AES Accuracy is better in AAS as compared to ICP-AES 5 / 25 Which one of the following pairs has the same mass? One mole of O2 and 1 mole of N2 1 mole of O2 and 1 mole of CO2 1 mole of CO and 1 mole of N2 1 mole of CO and 1 mole of CO2 6 / 25 Potentiometry is based on the measurement of which physical property:- Electrical potential Voltage Thermal conductance Electrical conductance 7 / 25 The molecular formula of trisaccharide will be:- C3H6O3 C18H32O16 C16H36O18 C3H3O3 8 / 25 Which set of hybrid orbital has planar triangular shape:- sp dsp2 sp2 sp3 9 / 25 Which is the formula of clay:- Al2O3. 2SiO2. None of these Al2O3. 2H2O Al2O3. 2SiO2. 2H2O 10 / 25 Which is correct about the limitation of flamed AAS:- All of the above Formation of the refractory oxides Detection limits are higher It use toxic gases as fuel 11 / 25 100% pure alcohol is called:- Methylated spirit Absolute alcohol Rectified spirit Power alcohol 12 / 25 The strength of binding energy of transition elements depends upon:- No. of protons No. of unpaired electrons No.of electron pair No. of neutrons 13 / 25 Which one of the following is the most penetrating? Electrons Protons Neutrons Alpha particles 14 / 25 Which acid can be used as catalyst in Friedel craft's reaction:- NaCl BeCl2 HNO3 AlCl3 15 / 25 The electrons in K-shell of atom will differ in:- Spin Quantum number Principle Quantum number Azimuthal Quantum number Magnetic Quantum number 16 / 25 Which is the formula of litharge:- PbO2 Pb3O4 PbO Pb2O3 17 / 25 The molar mass of H₂SO₄ is 4.8 g 48 amu 98 g 98 amu 18 / 25 A fast moving neutron can eject from nitrogen:- α-rays β-rays γ-rays Electrons 19 / 25 Pb(BaSO4)/Quinoline is the formula of:- potash alum lindlers catalyst gypsum None of them 20 / 25 M.p is highest for the elements of group:- IIIA IIA IVA IA 21 / 25 The molecular formula of naphthalene is:- C10H12 C10H10 C12H12 C10H8 22 / 25 Which test is not given by the aldehyde:- Tollen's test NaHSO3 test 2,4 DNPH test Sodium nitroprusside test 23 / 25 When bromomethane is hydrolyzed by aqueous NaOH solution which ion bring about the first stage of substitution:- Anyone No reaction OH- Na+ 24 / 25 The shape of Diamond Crystal is:- Hexagonal Cubic Orthorhombic Tetragonal 25 / 25 The emission of light characteristics of metal and correlation of intensity of the light emitted with concentration of that metal from the basis of:- Flame spectroscopy IR spectroscopy rotational spectroscopy Raman spectroscopy Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Apply Here for Online Registration
