Chemistry The most electronegative element among the following is oxygen sodium bromine fluorine oxygen sodium bromine fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Contact bed Intermittent sand filter Trickling filter Percolating filter Contact bed Intermittent sand filter Trickling filter Percolating filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Element Compound Homogeneous mixture Heterogeneous mixture Element Compound Homogeneous mixture Heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP