Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.94 0.14 0.34 1.4 0.94 0.14 0.34 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine is used in water treatment for the removal of Chlorinous taste Dissolved oxygen Colloidal impurities Turbidity Chlorinous taste Dissolved oxygen Colloidal impurities Turbidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of water having dissolved oxygen in boilers promotes Corrosion Scale formation Sequestration None of these Corrosion Scale formation Sequestration None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Is not unfit for drinking purpose All of these Pollutes the water stream Does not affect the lather formation by soap Is not unfit for drinking purpose All of these Pollutes the water stream Does not affect the lather formation by soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gypsum is chemically Potassium sulphate Calcium sulphate Sodium sulphate Calcium chloride Potassium sulphate Calcium sulphate Sodium sulphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitrotoluene (TNT), an explosive, is made by the nitration of Nitrobenzene Benzene Toluene Nitrotoluene Nitrobenzene Benzene Toluene Nitrotoluene ANSWER DOWNLOAD EXAMIANS APP