Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 CO All of these CO2 O3 CO All of these CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Oxygen Silicon Magnesium Iron Oxygen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 95% ethyl alcohol Methylated spirit Tincture iodine 100% ethyl alcohol 95% ethyl alcohol Methylated spirit Tincture iodine 100% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Polonium Uranium Thorium Mercury Polonium Uranium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Calcium Lead Gold Iron Calcium Lead Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Alcohol Kerosene oil Glycerine Water Alcohol Kerosene oil Glycerine ANSWER DOWNLOAD EXAMIANS APP