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Chemistry Quiz

Questions: 10 Difficulty: Mixed

You can only choose once. Choose wisely.

1. What is the term for a mixture where one substance is dissolved in another? (Chemistry)

Emulsion
Colloid
Solution
Suspension

2. What is the chemical formula for table salt? (Chemistry, Science, General Knowledge)

KCl
CaCO₃
NaHCO₃
NaCl

3. What is the hardest natural substance on Earth? (Chemistry)

Graphite
Quartz
Topaz
Diamond

4. Which gas is known as laughing gas? (Chemistry)

Methane
Nitrous oxide
Ethane
Carbon monoxide

5. What is the term for the measure of a substance's resistance to flow? (Chemistry)

Elasticity
Conductivity
Viscosity
Density

6. What is the molecular formula for ozone? (Chemistry)

O3
O
O4
O2

7. What is the name of the process by which plants convert sunlight into chemical energy? (Chemistry)

Oxidation
Photosynthesis
Chemosynthesis
Respiration

8. Which element is a liquid at room temperature? (Chemistry)

Mercury
Bromine
Gallium
Lead

9. Which acid is found in the stomach? (Chemistry)

Acetic acid
Hydrochloric acid
Sulfuric acid
Nitric acid

10. What is the molecular formula for ethanol? (Chemistry)

C2H5OH
CH3OH
C3H8
CH4