Chemistry The metal that is usually extracted from sea water is Mg Na K Ca Mg Na K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Acidic soils Alkaline soils Podsols Saline soils Acidic soils Alkaline soils Podsols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3200°C 4000°C 3600°C 2800°C 3200°C 4000°C 3600°C 2800°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Hydrolyser Disinfectant Flocculator Precipitator Hydrolyser Disinfectant Flocculator Precipitator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP