Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved oxygen Suspended salt Dissolved salt Silica Dissolved oxygen Suspended salt Dissolved salt Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Sodium bisulphite Lime Chlorine Sulphuric acid Sodium bisulphite Lime Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to None of these Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition None of these Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the production of styrene butadiene rubber (SBR) is Neither A nor B Ethyl alcohol Ethylene Both A & B Neither A nor B Ethyl alcohol Ethylene Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dichloro diphenyl __________ is the full form of DDT (an insecticide). Trichloroethane Tetrachloroethane Tetrachloromethane Trichloromethane Trichloroethane Tetrachloroethane Tetrachloromethane Trichloromethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of soda ash is Potassium carbonate None of these Sodium thiosulphate Sodium bicarbonate Potassium carbonate None of these Sodium thiosulphate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
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