Chemical Process Starting raw material for the manufacture of maleic anhydride is Benzene Either A or B Neither A nor B N-butene Benzene Either A or B Neither A nor B N-butene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Sodium silicate Carbonates Silicates Gypsum Sodium silicate Carbonates Silicates Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a pyrite ore? Celestite Galena Gypsum Siderite Celestite Galena Gypsum Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Xanthates Stearic acid Formic acid Calcium & aluminium stearate Xanthates Stearic acid Formic acid Calcium & aluminium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an antibiotic? Quinine Streptomycin Tetracyclin Penicillin Quinine Streptomycin Tetracyclin Penicillin ANSWER DOWNLOAD EXAMIANS APP
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