Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Phosphates Sulphates Chromates Bi-carbonates Phosphates Sulphates Chromates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gypsum is chemically Calcium chloride Sodium sulphate Potassium sulphate Calcium sulphate Calcium chloride Sodium sulphate Potassium sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine. Chlorine Sodium carbonate Sodium bi-carbonate Ammonium chloride Chlorine Sodium carbonate Sodium bi-carbonate Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 100 - 150 < - 5 250 - 300 20 - 30 100 - 150 < - 5 250 - 300 20 - 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is In water treatment As a rocket fuel As a disinfectant As fire retardant In water treatment As a rocket fuel As a disinfectant As fire retardant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most reactive allotropic form of phosphorus is __________ phosphorus. Black Red Violet Yellow Black Red Violet Yellow ANSWER DOWNLOAD EXAMIANS APP
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