Chemistry Tests 5 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry Quiz 1 / 25 The valency of Fe in FeSO₄ is: +2 +3 +4 +5 2 / 25 The ionization energy of Cs is: 403 kJ/mol 377 kJ/mol 419kJ/mol 496kJ/mol 3 / 25 Octet rule is Description of eight electron Picture of electronic configuration Pattern of electronic configuration Attaining of eight electrons 4 / 25 Valence of sodium metal is: 1 2 3 4 5 / 25 Which one of the following halogen has highest electronegativity? Lodine Bromine chlorine Fluorine 7 / 25 Which one of the following is mass number of Potassium “K”: 12 14 40 39 8 / 25 Decrease ozone layer will increase infectious disease like Faver Cholera Malaria Headache 9 / 25 It is used in etching designs on copper plates Sulphuric acid Acetic acid Hydrochloric acid Nitric acid 10 / 25 Oxidation state of hydrogen NaH is: +1 +2 Zero -1 11 / 25 Formation of water form hydrogen and oxygen is Redox reaction Acid base reaction Neutralization reaction decomposition 12 / 25 The most ductile metal is: Fe Au Na B 13 / 25 The Molar Mas of H2SO4 is: 98g 98amu 9.8g 9.8amu 14 / 25 Which is the following gives addition reaction? Methane Ethan Ethyne none of these 15 / 25 the branch of chemistry which deal with hydrocarbon and their derivatives are called In organic chemistry Analytical chemistry Organic chemistry Bio chemistry 16 / 25 Building are being damaged by acid rain because it attack Calcium sulphate Calcium nitrate Calcium carbonate Calcium oxelte 17 / 25 Which is used as anti freezer Di ethyl ether Ethyl alcohol Ethylene alcohol Ethylene glycol 18 / 25 Atomic size of sodium atom is: 186,102pm 160,65pm 197,99pm 998pm 19 / 25 Many environmental system depends for their : Existence on their delicate equilibrium phenomena Existence on water Nitrogenous fertilizer Non of them 20 / 25 Vital force Theory was proposed by: Bohr Dalton Berzelius Wohler 21 / 25 The symbol of Boron is: Be Br B Ba 22 / 25 Molarity is the number of mole of solute dissolve in 1kg of solution 100g of solvent 1dm3of solvent Idm3 of solution 23 / 25 Who discovered proton? Goldtein Rutherford Chadwick Bohr 24 / 25 Alkyne forms Single bond Double bond Triple bond Ionic bond 25 / 25 The empirical formula of glucose is: CH CH₂O OH H₂O₂ Your score is LinkedIn Facebook Twitter VKontakte 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
