Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Geothermal powder Uranium Natural gas Coal Geothermal powder Uranium Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Nitrogen Methane Carbon dioxide Ozone Nitrogen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Pig iron Steel Stainless steel Wrought iron Pig iron Steel Stainless steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Is increased Is decreased Remains same Will slowly increase and then it will decrease Is increased Is decreased Remains same Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
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