PLEASE HELP! 1) What type of reaction is this?
Zn + 2HCl > ZnCl + H
2) Balance the equation (Hint, you need to balance the left side with the right side)

1) single replacement

2) Zn + 2HCl > ZnCl + H

equation is already balanced

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

the volume increases