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Chemistry Quiz

Questions: 10 Difficulty: Mixed

You can only choose once. Choose wisely.

1. What is the common name for H2O2? (Chemistry)

Sulfuric acid
Carbonic acid
Hydrogen peroxide
Water

2. What is the term for a chemical reaction that absorbs heat? (Chemistry)

Exothermic
Catalytic
Neutralization
Endothermic

3. What is the process of converting a solid directly into a liquid called? (Chemistry)

Fusion
Vaporization
Sublimation
Condensation

4. Which element is represented by the symbol 'Na'? (Chemistry, Science)

Nitrogen
Nickel
Neon
Sodium

5. What is the chemical symbol for potassium? (Chemistry)

P
Ko
K
Ka

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

Quartz
Topaz
Graphite
Diamond

7. What is the name of the element with the symbol "Fe"? (Chemistry)

Fermium
Iridium
Fluorine
Iron

8. What is the first element on the periodic table? (Chemistry)

Oxygen
Helium
Carbon
Hydrogen

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

Bromine
Gallium
Lead
Mercury

10. What is the term for the energy required to start a chemical reaction? (Chemistry)

Heat of vaporization
Heat of fusion
Activation energy
Reaction energy