Carbon Dioxide Quiz: questions and answers

1. In what manner the carbon atom is bonded to the oxygen atom in carbon dioxide?

Metallic single bonded

Metallic double bonded

Covalently double bonded

2. The respiratory centers try to maintain an arterial CO2 pressure of:

20 mmHg

40 mmHg

10 mmHg

3. Carbon Dioxide is produced by:

Plants

Animals

Cyanobacteria

4. What is the crystal structure of Carbon Dioxide?

Linear

Trigonal

Cubic

5. Which type of carbon dioxide do some fire extinguishers, especially those designed for electrical fires, contain?

Dry

Liquid

Solid

6. What does carbon dioxide form after dissolving in water?

Carbonyl sulphide

Carbonic acid

Carbon monoxide

7. In enhanced coal bed methane recovery, carbon dioxide is pumped into the coal seam to displace:

Dry Ash

Methane

Water

8. What is the color of the carbon dioxide gas?

Blue

Yellow

Colorless

9. Carbon cycle mainly moves movement on earth by photosynthesis and:

Respiration

Planktosis

Combustion

10. What is the solid form of carbon dioxide?

A dry ice

A cold bed

A cold soak

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