Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO Na2O Al22O3 CaO MgO Na2O Al22O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are mesons positrons neutrons electrons mesons positrons neutrons electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Sulphuric acid Nitric acid Aqua ragia Hydrochloric acid Sulphuric acid Nitric acid Aqua ragia Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Hydrogen None of these Oxygen Carbon Hydrogen None of these Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP