Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ 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 Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like All of these Fragile nature Easy poisoning tendency High cost All of these Fragile nature Easy poisoning tendency High cost ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is Regenerated cellulose acetate None of these Cellulose nitrate Regenerated cellulose nitrate Regenerated cellulose acetate None of these Cellulose nitrate Regenerated cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 20% oleum 65% oleum 78%H₂SO₄ 98%H₂SO₄ 20% oleum 65% oleum 78%H₂SO₄ 98%H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the Water treatment Synthesis of oleum Car battery solution Fertiliser manufacture Water treatment Synthesis of oleum Car battery solution Fertiliser manufacture ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS