Chemistry Which one is the lightest element in the periodic table Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 12600 kJ/kg 14600 kJ/kg 47000 kJ/kg 39400 kJ/kg 12600 kJ/kg 14600 kJ/kg 47000 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrate Potassium nitrite Potassium nitrate Sodium nitrite Sodium nitrate Potassium nitrite Potassium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 818O 92235U 13H 614C 818O 92235U 13H 614C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Calcium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP