Chemistry The major constituent of air is carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Limnonite Haemetite Magnetite None of these Limnonite Haemetite Magnetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of discovery of elements periodic table of contents metallurgy atomic structure discovery of elements periodic table of contents metallurgy atomic structure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and ammonium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium sulphate Aluminium powder and potassium nitrate Aluminium powder and ammonium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium sulphate Aluminium powder and potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Hydrochloric acid Acetic acid Sulphuric acid Nitric acid Hydrochloric acid Acetic acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.2 mole 0.4 mole 0.5 mole 0.25 mole 0.2 mole 0.4 mole 0.5 mole ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS