Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Kerosene Coal Hydrogen Diesel Kerosene Coal Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Geothermal energy Coal Petroleum Natural Gas Geothermal energy Coal Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and antimony Lead and copper Lead and zinc Lead and bismuth Lead and antimony Lead and copper Lead and zinc Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O+2 O-22 O2 O-2 O+2 O-22 O2 O-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO ANSWER DOWNLOAD EXAMIANS APP