Chemical Process Which of the following is the second major component of cement? CaO Fe₂O₃ SiO₂ Al₂O₃ CaO Fe₂O₃ SiO₂ Al₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction Decreases with decrease of thickness of the flakes Increases with the increasing flake size keeping the flake thickness constant Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature Decreases with decrease of thickness of the flakes Increases with the increasing flake size keeping the flake thickness constant Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature 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 Xanthates Calcium & aluminium stearate Formic acid Stearic acid Xanthates Calcium & aluminium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses Charcoal Potassium nitrate All of these Sulphur Charcoal Potassium nitrate All of these Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fluorescent dyes are added in detergents to Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics None of these Act as tarnish inhibitor for metals like German silver Attain distinctiveness from other brands Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics None of these Act as tarnish inhibitor for metals like German silver Attain distinctiveness from other brands ANSWER DOWNLOAD EXAMIANS APP