Yes if it has not set. Wine Out is a product that you can buy at the store works very well.
Well, depends on the meat. Red wine for red meat, white wine for white meat.
Marsala is a red wine.
You can make white wine out of red grapes but you can't make red wine out of white grapes
Red wine marinade looks pretty common- see below sites
red
Not only white grapes. Remember, you can make white wine from red grapes, but not red wine from white grapes.
Blossom Hill do a red, a white and a rose wine.
Probably Hock wine (i.e. German white wine) !!
Consumers tend to prefer red over white wines.
They are equivalent in this regard.
You'll generally be safe with red wine for red meat and white wine for white meat.
by applying white wine directly to the red wine stain