Chemistry Which of the following elements is non-radioactive ? Zirconium Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Glass vessel Copper vessel Aluminium vessel Earthen vessel Glass vessel Copper vessel Aluminium vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 6 7 4 3 6 7 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Feldspar Mica Quartz Galena Feldspar Mica Quartz Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Natural Gas Petroleum Coal Geothermal energy Natural Gas Petroleum Coal Geothermal energy ANSWER DOWNLOAD EXAMIANS APP