carbon dioxide

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

The processes that return carbon dioxide into the atmosphere are:

• combustion

• decomposition

• photosynthesis

• respiration

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

how many atoms make up a molecule of carbon dioxide ( CO₂)?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which are properties of carbon dioxide?

• Carbon dioxide is lighter than air

• Carbon dioxide is slightly soluble in water

• Carbon dioxide supports photosynthesis

• Carbon dioxide does not support combustion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

Tags

NGSS.MS-PS1-2

Which substance is used to prove that an unknown gas is carbon dioxide?

• a glowing splint

• hydrogen gas

• plain drinking water

• lime water

Tags

NGSS.MS-PS1-2

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

Why is the CO2 and O2 cycle considered to be a cycle?

• there is a exchange of gases
• the trees use it and trees are apart of all cycles
• there is a continuous exchange of gases

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which statement is true about the carbon dioxide-oxygen cycle?

• animals breathe in nitrogen and release oxygen which is used by plants
• animals breathe in oxygen and release carbon dioxide which is used by plants
• animals breathe in nitrogen and release carbon dioxide which is used by plants
• animals breathe in carbon dioxide and release oxygen which is used by plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3