Which of the following reactions is able to take place? Group of answer choices

Cu + Pb(SO4)

H2 + Pb (SO4)

Pb + Cu(SO4)2

All of the Above

Hg + Cu(SO4)2

None of the Above

Drive down any three characteristic of modern periodic table

What is the polyatamic ion of borate

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6