Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these 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? Formic acid Stearic acid Calcium & aluminium stearate Xanthates Formic acid Stearic acid Calcium & aluminium stearate Xanthates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Kopper-Totzek coal gasifier Is a moving bed reactor Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Is a moving bed reactor Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following sugars is the sweetest? Sucrose Lactose Glucose Fructose Sucrose Lactose Glucose Fructose ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 1600 4000 8500 800 1600 4000 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In Kraft process of paper manufacture, white cooking liquor consists of caustic soda None of these Sodium sulphite & sodium carbonate Sodium sulphide & sodium carbonate Sodium sulphite & sodium sulphide None of these Sodium sulphite & sodium carbonate Sodium sulphide & sodium carbonate Sodium sulphite & sodium sulphide ANSWER DOWNLOAD EXAMIANS APP