Chemistry Tests of Graduation Chemistry (Graduation) Tests 80 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 Which of the following molecule has bond length of 120°:- NH3 CO2 CH4 BF3 2 / 25 Which has unpaired electrons in antibonding molecular orbital:- F2 B2 O2 N2 3 / 25 _______ are oxide ores of Aluminium:- Corundum Diaspore All above Bauxite 4 / 25 Which is not the property of ceramic material:- High mechanical strength Low hardness Low elongation High temperature stability 5 / 25 Any substance which has solidified from the liquid state with crystallization is known as:- Glass Steel Fibre Asbestos 6 / 25 Which element does not impart any characteristic colour to the flame:- Ca Sr Mg Ba 7 / 25 Which is a phosphatic fertilizer:- all of these Phosphatic slag Triple superphosphate Calcium superphosphate 8 / 25 Which is the symptoms of inherited disorder of urea cycle:- Mental retardation Blurring of vision Trichorrhexic nodosa All of these 9 / 25 ______ evaporator has the advantage in terms of energy costs:- multiple effect long tube falling film rising film 10 / 25 Noble gas used in the treatment of cancer is:- Rn Kr He Ar 11 / 25 Group VIIA of periodic table consist of how many elements:- 4 5 7 6 12 / 25 BCl3 is a planar molecule because B atom is:- sp3 hybridized sp hybridized sp3d hybridized sp2 hybridized 13 / 25 In the aluminothermite process, aluminium act as:- flux solder oxidizing agent reducing agent 14 / 25 Ninhydrin test is given by:- Proteins Amino acids Both of these None of these 15 / 25 What is caustic potash:- KOH NaBH4 NaCl NaOH 16 / 25 Structure of DNA and genetic code as well as transcription and translation was explained between 1952 and____:- 1966 1972 1905 1980 17 / 25 All the halogens form oxyacid except:- Iodine Chlorine Bromine Fluorine 18 / 25 The correct order of atomic radii of group IIIA elements is:- none of them B<Al<Ga<In B<Al˜Ga<In B<Al<Ga˜In 19 / 25 The magnitude of electron affinity depends on:- Atomic size Nuclear charge Electronic configuration All above 20 / 25 The formula of Cryolite is:- Na3 AlF5 Na3 AlF3 Na3 AlF4 Na3 AlF6 21 / 25 The fluid entering a column is called:- Effluent Eluent None of the above Eluate 22 / 25 The pH value 4.2 is of:- Lemons Vinegar Oranges Tomatoes 23 / 25 The ion that is isoelectronic with CO is:- CN- N2+ O2+ CO2- 24 / 25 The pH of the tears is:- 8.2 5.2 7.0 7.4 25 / 25 In a period the elements with highest electron affinity belongs to:- Group 2 Group 17 Group 1 Group 18 Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here