197 Chemistry Trivia Questions with Answers
197 public questions with answers, drawn from the well. How many can you answer?
What is the chemical name for ethyl alcohol?
Answer
Ethanol
Who discovered the electron?
Answer
J.J. Thomson
Who was the first woman to win a Nobel Prize in Chemistry?
Answer
Marie Curie
What is the temperature of the triple point of water in Kelvin?
Answer
273.16 K
What is the half-life of uranium-238 in billions of years?
Answer
4.468 billion years
What is the name of the process by which plants convert light into chemical energy?
Answer
Photosynthesis
Which element has the highest ionization energy?
Answer
Helium
What is the process of using electricity to decompose a compound called?
Answer
Electrolysis
What is the most abundant isotope of carbon?
Answer
Carbon-12
What salt is produced when hydrochloric acid reacts with sodium hydroxide?
Answer
Sodium chloride
What is the name of the bond formed when two atoms share a pair of electrons?
Answer
Covalent bond
What is the common name for sodium bicarbonate?
Answer
Baking soda
What gas is produced when vinegar reacts with baking soda?
Answer
Carbon dioxide
Who discovered the neutron?
Answer
James Chadwick
What is the molecular geometry of methane?
Answer
Tetrahedral
What is the element with the highest melting point among metals?
Answer
Tungsten
What is the formula of the hydroxide ion?
Answer
OH-
What type of chemical reaction is the reaction between an acid and a base?
Answer
Neutralization
What is the chemical formula of nitric acid?
Answer
HNO3
What is the bond angle in a water molecule?
Answer
104.5 degrees
What is Avogadro's number?
Answer
6.022 × 10^23
What is the name of the process that converts sugar into alcohol?
Answer
Fermentation
What is the name of the compound with formula C2H5OH?
Answer
Ethanol
Which element is named after the Greek word for 'light-bearing'?
Answer
Phosphorus
What is the common name for dihydrogen monoxide?
Answer
Water
Which gas do plants absorb from the atmosphere during photosynthesis?
Answer
Carbon dioxide