Chemistry MCQs (Intermediate) 3 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Intermediate) Quiz 1 / 25 Metals can form ions carrying charges : Di-positive All of them tri-positive Uni-positive 2 / 25 It is found in sting of bee;s and ants Maleic acid Lactic acid Butyric acid Formic acid 3 / 25 Copper sulphate has water of crystallization 2 5 6 4 4 / 25 Cl2 reacts with hot cone. NaOH to give: NaNO₃ NaOCl NaOH NaCL 5 / 25 Identify which pair has polar covalent bonds: H2Oand HCL O2 and Cl2 H2O and N2 H20 and C2H2 6 / 25 Fusion mixture is combination of : MgCO₃ +NO₃ CaCO₃+KNO₃ NaHCO₃+KNO₃ Na₂CO₃+KNO₃ 7 / 25 A cation is derived from Molecule Acid Compound Base 8 / 25 DNA structure was discovered in 1983 1913 1919 1953 9 / 25 Salt are found in Non of these Crystalline form Amorphous form Both a and b 10 / 25 The formula of bleaching powder is Ca(Ocl)Cl CaCl2 Ca(Ocl) CaCl 11 / 25 Nelson cell Is used to prepared caustic soda along with gases which of the following gas is produced at cathode O₂ Cl₂ O₃ H₂ 12 / 25 Sodium- potassium alloy is used in nuclear reactor as a: Coolant catalyst Reactant Absorber 13 / 25 The valence of chromium is: 4 3 5 2 14 / 25 Percentage by weight of hydrogen in ocean is: 11 12 14 13 15 / 25 Which of the following will show negligible effect of temperature on its solubility KCl NaN03 KNO3 NaCl 16 / 25 Stomach acidity is also called Acidity hypoacidity Heart burning Hyperacidity 17 / 25 ice is denser than water  Water is denser than ice Ice is crystalline in nature ice is denser than water Water molecule move randomly 18 / 25 Heat resistance glass is Non of them Simple glass Both a and b Pyrex 19 / 25 Who discovered the proton : J.T.Thomsan Rutherford Goldstein Neil Bohar 20 / 25 Mostly insoluble metallic oxide react with -----to form salt and water Non of them Dilute acid Dilute bases Concentrated acid 21 / 25 The reaction quotient is useful because it predict the direction of reaction by value of : Qc Kc Qc with Kc Non of these 22 / 25 pH of a neutral solution is always Non of them 14 0 7 23 / 25 Percentage of organ in atmosphere by volume is 0.03 0.21 78.09 0.93 24 / 25 Which one of the following gases diffuses faster  Helium Fluorine Hydrogen Chlorine 25 / 25 Nitric acid was prepared by Bu ali Sina Lavioser Humphrey Jabir bin hayan Your score is LinkedIn Facebook Twitter VKontakte Restart quiz SearchSearchSubscribe our YouTube Channel https://youtu.be/Pe1vD61XNTY Recent Posts Join PAF Short Commission Services and GDP Join Pak Army as a Soldier- 2023 (Last Date is 10 March, 2023) Daily Homework Jobs in Federal Public Service Commission Apply Here for Online Registration Contact For any query please call at +92-3332225389 Facebook-f Twitter Google-plus-g Instagram Dribbble Youtube