What Chemical Gives Mars Its Unique Red Color? RJ Hamster 8 months ago Home What Chemical Gives Mars Its Unique Red Color? Sodium Chloride Sulfuric Acid Iron Oxide Nitrogen Dioxide TriviaWire.com 2760 West Peoria Ave #1034 Phoenix, AZ 85029 United States You are subscribed to this email as pahovis@yahoo.com. Click here to modify your preferences or unsubscribe. Share this:Print