Chemistry The addition of gypsum to portland cement helps in : Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Negative Zero Positive Depends on whether the reaction is exothermic or endothermic Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic CaO Al22O3 Na2O MgO CaO Al22O3 Na2O MgO ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS