10 Chemistry Questions: Put Your Science Skills to the Test
Explore atoms, reactions, acids, gases, and everyday chemistry. Play along and see how many you can get right!
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: Which particle determines what element an atom is?
Neutron
Electron
Proton
Question 2: What do elements in the same periodic-table group generally share?
The same number of neutrons
The same number of electron shells
Similar chemical properties
Question 3: How many atoms are in one molecule of carbon dioxide, CO₂?
Three
Two
Four
Question 4: A solution has a pH of 3. How is it classified?
Acidic
Basic
Neutral
Question 5: What happens to atoms during an ordinary chemical reaction?
They rearrange into new combinations
They disappear as energy is released
They change into different elements
Question 6: Why does a balloon usually shrink when cooled?
Its gas particles gain mass
Its gas particles move more slowly
Its gas particles become liquid immediately
Question 7: Which substance is a pure element rather than a compound?
Carbon dioxide, CO₂
Water, H₂O
Oxygen gas, O₂
Question 8: What gas is produced when an acid reacts with a carbonate?
Hydrogen
Carbon dioxide
Oxygen
Question 9: Why does salt help ice melt on a winter road?
It raises the air temperature
It turns ice into oxygen
It lowers water's freezing point
Question 10: A sealed container holds a gas that is heated. What happens to its pressure if its volume stays fixed?
It decreases
It increases
It stays exactly the same