Test Page (Chemistry) Chemistry (Matric) Level Tests Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Matric) Quiz 1 / 25 The valency of boron is:- 4 3 5 2 2 / 25 Which one of the following is less malleable: Iron Sodium Gold Silver 3 / 25 In etching process the glass or mirror is dipped in to Hydrofluoric acid Sulphuric acid Nitric acid Hydrochloric acid 4 / 25 How many covalent bond does C₂H₂ molecules have 2 4 3 5 5 / 25 The value of atmospheric pressure at sea level is 780 mm HG 760 mm Hg Non of these 700 mm Hg 6 / 25 Athletes foot disease in man caused by: Agaricus Epidermophyton Penecillium Rhizopus 7 / 25 How many percentage of world water contains oceans:- 77% 67% 87% 97% 8 / 25 Percentage of oxygen in atmosphere is:- 23 24 21 22 9 / 25 Which one of the following show negligible effect of temperature on its solubility:- NaCl NaNO3 KNO3 KCl 10 / 25 Heat resistance glass is Simple glass Non of them Pyrex Both a and b 11 / 25 If value of Kc is neither small nor large then:- reaction at equilibrium but contain large amount of reactants and products reaction is not possible reaction is at early stage reaction has completed 12 / 25 The number of elements in 6th period is: 54 18 32 80 13 / 25 How many times liquid and solid are denser than gases:- 100 times 1000 times 10000 times 10 times 14 / 25 It is a common indicator Both a and b pH meter pH scale Litmus 15 / 25 Vital force Theory was proposed by: Berzelius Wohler Dalton Bohr 16 / 25 Monoatomic molecule is:- H2 Ne O2 O3 17 / 25 Color of flame of calcium is: golden yellow brick red green blue 18 / 25 Which type of force is present in hydrogen bonding:- intermolecular forces covalent forces ionic forces metallic forces 19 / 25 Height above the earth surface of thermosphere is 120 to 130km 85 to 120km 180to 190km 130to 180km 20 / 25 The colour of precipitate of Fe(OH)3 is:- brown white dirty green blue 21 / 25 Traces of acetylene are present in coal gas about: 0.07% 0.08% 0.09% 0.06% 22 / 25 Fat soluble vitamin are B,C K,D,E A,B,C A,F,D,C 23 / 25 1st period has elements: 2 5 3 4 24 / 25 ____ _____ is the process that involves the burning of solid wastes at high temperature between 650°C-1100°C in incinerators:- incineration hydrogenation chlorination destructive distillation 25 / 25 The number of electrons participating in single covalent bond is:- 4 2 6 8 Your score is Restart quiz Subscribe our Channel Here Apply Here for Online Registration