Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Starch water Pure water Salt water Sweet water Starch water Pure water Salt water Sweet water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains None of these High concentration of salt Hard rocks Lot of moisture None of these High concentration of salt Hard rocks Lot of moisture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Oxides of minerals Carbon dioxide Carbonates absorbed from soil Water Oxides of minerals Carbon dioxide Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Distilled water Air Gasoline LPG Distilled water Air Gasoline LPG ANSWER DOWNLOAD EXAMIANS APP