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Chemistry Quiz

Questions: 10 Difficulty: Mixed

You can only choose once. Choose wisely.

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

CH4
C2H5OH
C3H8
CH3OH

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

Washing soda
Baking soda
Limewater
Epsom salt

3. What is the main component of limestone? (Chemistry)

Sodium chloride
Potassium nitrate
Calcium sulfate
Calcium carbonate

4. Which gas is used in balloons to make them float? (Chemistry)

Oxygen
Nitrogen
Hydrogen
Helium

5. What is the study of carbon-containing compounds called? (Chemistry)

Inorganic chemistry
Organic chemistry
Physical chemistry
Analytical chemistry

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

O2
O
O4
O3

7. What is the chemical formula of ammonia? (Chemistry)

CH4
NO2
NO3
NH3

8. What is the primary use of helium gas? (Chemistry)

Inflating balloons
Explosives
Fuel production
Cooking

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

Copper
Mercury
Lead
Iron

10. Which gas is also known as laughing gas? (Chemistry, General Knowledge)

Oxygen
Nitrous Oxide
Carbon Dioxide
Methane