Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Sulphates Carbonates Phosphates Bicarbonates Sulphates Carbonates Phosphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Cr Ni V₂O₅ Al₂O₃ Cr Ni V₂O₅ Al₂O₃ 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? Calcium & aluminium stearate Stearic acid Formic acid Xanthates Calcium & aluminium stearate Stearic acid Formic acid Xanthates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Widely used method for the conditioning of boiler feed water is the Sequestration Hot-lime soda process Coagulation Cold lime process Sequestration Hot-lime soda process Coagulation Cold lime process ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium carbonate Tricalcium silicate Calcium sulphate Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaSO₄ .1/2 H₂O is known as Plaster of Paris Gypsum Blue vitriol Zeolite Plaster of Paris Gypsum Blue vitriol Zeolite ANSWER DOWNLOAD EXAMIANS APP
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