Yes, it can.
An antifreeze leak.An antifreeze leak.
No. All antifreeze types are not priced on quality but brand name. This should not have any bearing on your radiator leaking.
You need to check for a leak.
antifreeze is more likely to be leaking from the water pump and running down where it appears to leaking from crank pulley
Yes, antifreeze can leak from a water pump gasket.
If it's coming from lower front I'd say water pump
No. they're dissolved in each other and are quite hard to seperate.
If you smell antifreeze, there must be a leak somewhere. Have the cooling system pressure tested.
YesYes
cracked hoses
heater core
It would be possible to cause an oil leak while replacing the water pump.