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WorksheetsCarbon Dioxide
Total questions: 10
Worksheet time: 10mins
Which is not a property of carbon dioxide?
It is a colorless gas
It supports combustion
It is denser than air
It is an odorless gas
Which is a use of carbon dioxide
used in respiration
used for life support
used in fire extinguishers
used to make fertilizers
Which process does not return carbon dioxide into the atmosphere?
combustion
decomposition
photosynthesis
respiration
Which two substances are combined to make carbon dioxide in the lab?
hydrochloric acid and calcium carbonate
hydrochloric acid and calcium chloride
water and calcium chloride
water and carbon dioxide
Carbon dioxide is added to soft drinks like Coca-cola and Sprite. Why is this done?
To improve the flavor
To make the drink interesting
To ensure that the drink is free of bacteria
To add bubbles to the drink
Which is a true statement?
Humans depend on oxygen, plants depend on carbon dioxide
Plants produce carbon dioxide
Humans depend on carbon dioxide, plants depend on oxygen
Humans don't depend on plants for the air they need
what is the symbol for carbon dioxide?
Who discovered carbon dioxide?
(a)
