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Chemistry Quiz

Questions: 10 Difficulty: Mixed

You can only choose once. Choose wisely.

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

Methane
Carbon monoxide
Nitrous oxide
Ethane

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

Chemosynthesis
Photosynthesis
Oxidation
Respiration

3. What is the pH of a neutral solution at 25°C? (Chemistry)

14
0
7
10

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

Iridium
Iron
Fermium
Fluorine

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

Colloid
Suspension
Emulsion
Solution

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

Catalytic
Neutralization
Endothermic
Exothermic

7. What is the gas produced during the electrolysis of water? (Chemistry)

Oxygen
Nitrogen
Hydrogen
Carbon dioxide

8. Which chemical element has the symbol "O"? (Chemistry)

Oxygen
Sodium
Sulfur
Gold

9. What is the freezing point of water in Fahrenheit? (Chemistry, Science)

50°F
100°F
32°F
0°F

10. What is the atomic number of carbon? (Chemistry)

12
14
6
8