Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory (India) is located in Pune Hyderabad Bangaluru Mumbai Pune Hyderabad Bangaluru Mumbai ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.01 0.78 0.21 1 0.01 0.78 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Neon Freon Oxygen Nitrogen Neon Freon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon carbide Calcium oxide Silicon oxide Calcium carbide Silicon carbide Calcium oxide Silicon oxide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP