Practice your trivia skills: Science & Nature
CategoriesScience & Nature
111. What is the chemical formula for ammonia?
CO2
CH4
NH3
NO3
112. What are human nails made of?
Bone
Chitin
Calcium
Keratin
113. Gannymede is the largest moon of which planet?
Uranus
Mars
Jupiter
Neptune
114. The asteroid belt is located between which two planets?
Earth and Mars
Mercury and Venus
Jupiter and Saturn
Mars and Jupiter
115. Au on the Periodic Table refers to which element?
Silver
Oxygen
Nickel
Gold
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