quizNfacts | Quizzes

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

14

12

8

6

2. What is the term for a substance that donates protons in a reaction? (Chemistry)

Base

Reactant

Acid

Catalyst

3. What is the common name for sodium bicarbonate? (Chemistry)

Baking soda

Epsom salt

Limewater

Washing soda

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

Gold

Oxygen

Sulfur

Sodium

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

P

K

Ka

Ko

6. What is the most abundant gas in Earth’s atmosphere? (Chemistry)

Argon

Oxygen

Carbon dioxide

Nitrogen

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

C3H8

CH4

CH3OH

C2H5OH

8. What is the process of solid changing directly to gas called? (Chemistry)

Vaporization

Condensation

Sublimation

Deposition

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

Sulfuric acid

Hydrochloric acid

Acetic acid

Nitric acid

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

Neon

Nickel