Multiple choice general knowledge A single ounce of gold can be beaten into a thin film covering -- square feet 100 90 80 200 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Gold is extremely malleable - one ounce (about 31 grams) can be hammered into a thin sheet covering approximately 100 square feet. This property makes gold valuable for gold leaf applications in art and architecture. The correct answer is 100 (A).