Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Achieve non-hygroscopic property Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Achieve non-hygroscopic property ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is None of these Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate Magnesium sulphite and free SO₂ in acid medium None of these Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate Magnesium sulphite and free SO₂ in acid medium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Industrial production of chloroform requires acetone and Phosgene Calcium hypochlorite Ammonium chloride Chlorine Phosgene Calcium hypochlorite Ammonium chloride Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching of paper pulp is done with Magnesium sulphite Activated clay Chlorine or chlorine dioxide Bromine Magnesium sulphite Activated clay Chlorine or chlorine dioxide Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in shift converter is Vanadium Nickel Silica gel Alumina Vanadium Nickel Silica gel Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? Depithing Digestion None of these Bleaching Depithing Digestion None of these Bleaching ANSWER DOWNLOAD EXAMIANS APP