Which of the following displacement occur or not occura)Cu+MgSo4--CuSo4+Mgb)Pb(NO3)2+Zn--Zn(NO3)2+Pb

Which of the following displacement occur or not occura)Cu+MgSo4--CuSo

1.	Which of the following displacement occur or not occura)Cu+MgSo4--CuSo4+Mgb)Pb(NO3)2+Zn--Zn(NO3)2+Pb
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