Chapter 26-Carbon Dioxide Flashcards Preview

Science > Chapter 26-Carbon Dioxide > Flashcards

Flashcards in Chapter 26-Carbon Dioxide Deck (6):
1

Name the 6 properties of Carbon dioxide.

Odourless, colourless, tasteless, does not support combustion, is more dense than air, turns limewater milky.

2

Name 4 uses for carbon dioxide.

Refrigeration, special effects on stage, fizzy drinks, fire extinguishers.

3

Why is carbon dioxide so important?

Plants take it in through their leaves and use it to make food. Without it, plants would die, therefore crops would fail and all animals and humans would die.

4

How is carbon dioxide formed in the laboratory?

The reaction between dilute hydrochloric acid and marble chips.

5

What is the word equation for the laboratory preparation of carbon dioxide?

Calcium carbonate+dilute hydrochloric acid-calcium chloride+water+carbon dioxide

6

What is the chemical equation for the laboratory preparation of carbon dioxide?

CaCo3+2HCl-CaCl2+H2O+CO2