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) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Magnesium Manganese None of these Calcium Magnesium Manganese None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid non-metal Liquid metal Solid metal Solid non-metal Liquid non-metal Liquid metal Solid metal Solid non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Sulphur Carbon Bromine Phosphorous Sulphur Carbon Bromine Phosphorous ANSWER DOWNLOAD EXAMIANS APP
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