Chemistry Which one of the following is known as the 'brown coal'? Anthracite Coke Bituminous Lignite Anthracite Coke Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 FeCO3 Fe3O4 Fe2O3 FeS2 FeCO3 Fe3O4 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Butane Acetylene Ethane Methane Butane Acetylene Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation levigation liquation leaching magnetic separation levigation liquation leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Fumes Mists Smoke Aerosols Fumes Mists Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Pearl Ruby Emerald Sapphire Pearl Ruby Emerald ANSWER DOWNLOAD EXAMIANS APP