Chemical Process Main constituent of limestone is CaCO₃ Na₂CO₃ CaSO₄ MgCO₃ CaCO₃ Na₂CO₃ CaSO₄ MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Silica Suspended salt Dissolved oxygen Dissolved salt Silica Suspended salt Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 15-30 90-100 250-300 15-30 90-100 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Helium Neon Krypton Argon Helium Neon Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃.10H₂O is called Soda ash Washing soda Quicklime Slaked lime Soda ash Washing soda Quicklime Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is Exothermic None of these Autocatalytic Endothermic Exothermic None of these Autocatalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP
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