Chemistry Major gaseous pollutant of the thermal power station is NO2 SO2 H2 S NH3 NO2 SO2 H2 S NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Argon Krypton Neon Helium Argon Krypton Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Zinc Silver Nickel Copper Zinc Silver Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Floatation Elasticity Surface tension Viscosity Floatation Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP