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