Chemistry Sea weeds are important source of Bromine Iron Iodine Chlorine Bromine Iron Iodine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Flocculation Sedimentation Water softening Filtration Flocculation Sedimentation Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Nickel Chromium Sulphur Zinc Nickel Chromium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? None of these Uric Acid Ammonia Urea None of these Uric Acid Ammonia Urea ANSWER DOWNLOAD EXAMIANS APP