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Chemistry Quiz Template
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1.
What is the chemical symbol for water?
A) O2
B) CO2
C) H2O
D) NaCl
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2.
The periodic table is organized by increasing atomic number. Which is the first element on the periodic table?
A) Helium
B) Oxygen
C) Carbon
D) Hydrogen
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3.
What is the pH value of a neutral substance, such as pure water?
A) 0
B) 7
C) 10
D) 14
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4.
When iron reacts with oxygen in the presence of water, it forms a reddish-brown substance commonly known as what?
A) Rust
B) Magnetite
C) Pyrite
D) Hematite
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5.
Atoms of the same element that have the same number of protons but different numbers of neutrons are called what?
A) Ions
B) Isomers
C) Isotopes
D) Isotones
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6.
Which gas do plants absorb from the atmosphere during photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
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7.
The table salt we eat is chemically known as what?
A) Potassium chloride
B) Sodium chloride
C) Calcium carbonate
D) Magnesium sulfate
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8.
What is the hardest natural substance on Earth?
A) Platinum
B) Iron
C) Diamond
D) Quartz
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9.
The process of a solid changing directly into a gas without becoming a liquid first is called what?
A) Evaporation
B) Condensation
C) Sublimation
D) Melting
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10.
What is the chemical formula for methane, the primary component of natural gas?
A) CO2
B) H2O
C) NaCl
D) CH4
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