Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ None of these MgCl₂ CaCl₂ Ca(HCO₃)₂ None of these MgCl₂ CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an yellow pigment? Lead chromates Titanium dioxide Ferrous sulphate Zinc sulphides Lead chromates Titanium dioxide Ferrous sulphate Zinc sulphides ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? Na₂CO₃ H₂ NaHCO₃ None of these Na₂CO₃ H₂ NaHCO₃ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. 250-280 500-600 44134 250-280 500-600 44134 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Chromates Phosphates Bi-carbonates Sulphates Chromates Phosphates Bi-carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Electrolysis Freeze drying Vacuum evaporation Solar evaporation Electrolysis Freeze drying Vacuum evaporation Solar evaporation ANSWER DOWNLOAD EXAMIANS APP
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