Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic number Atomic Weight Neutron number Mass number Atomic number Atomic Weight Neutron number Mass number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Neon Fluorine Oxygen Nitrogen Neon Fluorine Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antibiotic Antiseptic Disinfectant Coagulant Antibiotic Antiseptic Disinfectant Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Copper Silver Aluminum Manganese Copper Silver Aluminum ANSWER DOWNLOAD EXAMIANS APP