Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone methane oxygen helium ozone methane oxygen helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is sodium chlorine carbon dioxide chlorine alcohol sodium chlorine carbon dioxide chlorine alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
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