Chemistry Which among the following is found in chlorophyll ? Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Carbon Helium Oxygen Hydrogen Carbon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Mercury Manganese Lead Molybdenum Mercury Manganese Lead Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type Powder type None of these Soda acid type Foam type Powder type None of these Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Coal mines Paint manufacturing industry Electroplating industry Organic solvents industry Coal mines Paint manufacturing industry Electroplating industry Organic solvents industry ANSWER DOWNLOAD EXAMIANS APP