Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Transistors Semiconductors All of these Solar energy devices Transistors Semiconductors All of these Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Thallium Silicon Caesium Tin Thallium Silicon Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Spin quantum number Azimuthal quantum number Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number Magnetic quantum number Principal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP