Chemistry Solder is an alloy of Tin, lead Copper, lead Lead, zinc Sodium, lead Tin, lead Copper, lead Lead, zinc Sodium, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Na2O MgO Al22O3 CaO Na2O MgO Al22O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Amytal Nembutal Veronal Equanil Amytal Nembutal Veronal Equanil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Silver Aluminium Tin Iron Silver Aluminium Tin Iron ANSWER DOWNLOAD EXAMIANS APP