Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Asphyxiation Bronchitis Corrosion Cancer Asphyxiation Bronchitis Corrosion Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol2 let-2 Mol-1 let-1 Mol-1 let-2 Mol2 let-1 Mol2 let-2 Mol-1 let-1 Mol-1 let-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is oxygen methane helium ozone oxygen methane helium ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Ag Na Fe Hg Ag Na Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Mica Carbon Graphite Lead Mica Carbon Graphite ANSWER DOWNLOAD EXAMIANS APP
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