quizNfacts | Quizzes

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

Chemosynthesis

Oxidation

Photosynthesis

Respiration

2. What is the chemical formula for methane? (Chemistry)

CH4

C3H8

C4H10

C2H6

3. What is the molecular formula for table salt? (Chemistry)

NaCl

KCl

NaHCO3

CaCO3

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

Catalytic

Exothermic

Endothermic

Neutralization

5. What element does the chemical symbol 'Fe' represent? (Chemistry)

Fermium

Iron

Fluorine

Ferrous

6. What is the primary component of vinegar? (Chemistry)

Acetic acid

Formic acid

Citric acid

Lactic acid

7. What is the process of converting a liquid into a gas called? (Chemistry)

Deposition

Sublimation

Vaporization

Condensation

8. Which element is commonly used in thermometers? (Chemistry)

Lead

Iron

Mercury

Copper

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

NaHCO₃

CaCO₃