197 Chemistry Trivia Questions with Answers
197 public questions with answers, drawn from the well. How many can you answer?
Aqua regia is a mixture of nitric acid and which other acid?
Answer
Hydrochloric acid
What is the term for a positively charged ion?
Answer
Cation
What type of chemical bond forms when two atoms share pairs of electrons?
Answer
Covalent bond
Which acid, named after ants, causes the sting of many ant bites?
Answer
Formic acid
What separation technique uses differences in boiling point to purify liquids?
Answer
Distillation
Which acid gives lemons and other citrus fruits their sour taste?
Answer
Citric acid
H2O2 is the chemical formula for which common antiseptic compound?
Answer
Hydrogen peroxide
What is the atomic number of carbon?
Answer
6
What is the molecular formula of sucrose, common table sugar?
Answer
C12H22O11
What is the molecular formula of glucose?
Answer
C6H12O6
Dry ice is the solid form of which compound?
Answer
Carbon dioxide
Baking soda is the common name for which chemical compound?
Answer
Sodium bicarbonate
Which acid is naturally found in the human stomach, aiding digestion?
Answer
Hydrochloric acid
Which physicist is credited with the discovery of the electron in 1897?
Answer
J. J. Thomson
Which chemical element is the most electronegative?
Answer
Fluorine
What is the chemical formula of methane?
Answer
CH4
What is the hardest known naturally occurring material?
Answer
Diamond
What is the lightest chemical element?
Answer
Hydrogen