Chemistry Tests Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Matric) Quiz 1 / 25 On what basis atmosphere is divided in four regions:- change in weather change in radiations change in temperature change in pressure 2 / 25 The melting point of sodium chloride is:- 750°C 600°C 1000°C 800°C 3 / 25 Formula mas of potassium Sulphate K₂SO₄ is: 144amu 164 amu 154 amu 174 amu 4 / 25 It is pure cellular Silk Ebonite Cotton nylon 5 / 25 Copper sulphate has water of crystallization 6 4 5 2 6 / 25 When reaction ceases to proceed it is called: Dynamic equilibrium Chemical equilibrium Static equilibrium Non of these 7 / 25 According to Lewis concept, acid is a substance which can:- donate a pair of electron donate a proton accept a proton accept a pair of electron 8 / 25 Second period contains number of periods:- 8 2 32 18 10 / 25 Which one of the following is not example of open chain hydrocarbons C2H6 C3H8 CH4 C6H6 11 / 25 Bleaching powder is the example of:- basic salt mixed salt normal slt acidic salt 12 / 25 Percentage by weight of hydrogen in ocean is: 12 14 11 13 13 / 25 The Molar Mas of H2SO4 is: 98g 9.8amu 98amu 9.8g 14 / 25 The number of elements in 6th period is: 18 54 80 32 15 / 25 When reaction ceases to proceed it is called: Dynamic equilibrium Chemical equilibrium Non of these Static equilibrium 16 / 25 The percentage of Oxygen in human body is: 64 65 63 66 17 / 25 Nelson cell Is used to prepared caustic soda along with gases which of the following gas is produced at cathode H₂ Cl₂ O₃ O₂ 18 / 25 Molarity is the number of mole of solute dissolve in 100g of solvent 1dm3of solvent Idm3 of solution 1kg of solution 19 / 25 Gases are the lightest form of matter and their densities are expressed in term of: Kg dm-3 g dm-3 mgcm-3 g cm-3 20 / 25 Percentage of methane in natural gas is:- 80% 85% 75% 90% 21 / 25 Acid react with metal sulphides to liberate Hydrogen gas Carbon dioxide Ammonia gas Hydrogen sulphide gas 22 / 25 P-subshell can accommodate electrons:- 6 18 2 8 23 / 25 The electronegativity of chlorine is: 2.7 3.2 3.0 4 24 / 25 The atomic mass of fluorine is: 9 5 4 3 25 / 25 How much electrons can be accommodated in M-Shell: 18 8 40 20 Your score is Restart quiz Subscribe our Channel Here Apply Here for Online Registration Contact For any inquiy please Call +92-3332225389 Facebook-f Twitter Google-plus-g Instagram Dribbble Youtube