Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Achieve non-hygroscopic property 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chrome tanning and vegetable tanning are done for Both light & heavy leather Heavy & light leather respectively Neither light nor heavy leather Light & heavy leather respectively Both light & heavy leather Heavy & light leather respectively Neither light nor heavy leather Light & heavy leather respectively ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the None of these Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness None of these Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium carbonate Calcium oxide Calcium sulphate Tricalcium silicate Calcium carbonate Calcium oxide Calcium sulphate Tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Impurities present in brine is normally removed by treatment with Lime and soda ash NH₃ and CO₂ Lime, ammonia and carbon All of these Lime and soda ash NH₃ and CO₂ Lime, ammonia and carbon All of these ANSWER DOWNLOAD EXAMIANS APP