Chemistry Which of the following is not a noble gas ? Helium Argon Hydrogen Neon Helium Argon Hydrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols Alkaline soils Acidic soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest oxidizing agent among the following is: Chlorine Fluorine Oxygen Iodine Chlorine Fluorine Oxygen Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Ethyl alcohol Methyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Ethyl alcohol Methyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP