Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Sulphur dioxide Carbon dioxide Hydrocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Gold Zinc Copper Iron Gold Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 6.023 x 1019 4.84 x 1017 1.568 x 103 6.023 x 1023 6.023 x 1019 4.84 x 1017 1.568 x 103 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Carbon Zinc Lead Tin Carbon Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
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