Chemistry Supersonic jet causes pollution by thinning of O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 86 96 89 92 86 96 89 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium carbonate Sodium bicarbonate Sodium nitrate Sodium nitrite Sodium carbonate Sodium bicarbonate Sodium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Silver Iodide All listed here Dry ice or frozen carbon dioxide Sodium Chloride Silver Iodide All listed here Dry ice or frozen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Copper Aluminium Iron Titanium Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Nitrogen Helium Hydrogen Oxygen Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP