Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
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 Global warming is mainly due to accumulation of Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide Oxides of nitrogen Oxides of sulphur Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Copper Sodium Gold Silver Copper Sodium Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Is decreased Remains same Is increased Will slowly increase and then it will decrease Is decreased Remains same Is increased Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
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