Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- 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 oxygen methane ozone helium oxygen methane ozone helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is sodium chlorine chlorine carbon dioxide alcohol sodium chlorine chlorine carbon dioxide alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only ANSWER DOWNLOAD EXAMIANS APP
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