Chemistry The natural source of hydro-carbon is Coal Biomass Crude oil Carbohydrates Coal Biomass Crude oil Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Solid metal Liquid metal Liquid non-metal Solid non-metal Solid metal Liquid metal Liquid non-metal Solid non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 200 100 50 500 200 100 50 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Cobalt Iron Zinc Nickel Cobalt Iron Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS