9th Class Chemistry Past Paper MCQS 2019 Federal Board

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Question 1 of 12

Which of the following is the reaction taking place at Anode

	Pb + Cl2(g) -> PbCl2(g)
	Zn+2(aq)
	2H2(s) + O2(s) -> 2H2O1
	+ 2e- -> Zn

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