Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Brick red Apple-green Crimson red Bluish green Brick red Apple-green Crimson red Bluish green ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Decantation Distillation Evaporation Filtration Decantation Distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Water Cast-iron Type metal Aluminium Water Cast-iron Type metal Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The residue left after extracting juice from sugarbeet and sugarcane is called Bagasse Whey Biomass Molasses Bagasse Whey Biomass Molasses ANSWER DOWNLOAD EXAMIANS APP
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