C1

HideShow resource information
  • Created by: srashid99
  • Created on: 11-10-15 10:59
The percentage of Oxygen in the atmosphere has increased since the Earth's earliest atmosphere. Describe the process that has caused this change.
Photosynthesis occurs - Green plants absorb carbon dioxide and release oxygen
1 of 6
Describe a test to show a gas is oxygen.
Light a splint till glowing. It will relight, bursting into flame again.
2 of 6
Give a large scale use of limestone.
Making glass/concrete/cement. Extracting iron. Neutralising acidic gases.
3 of 6
Explain how marble is formed from Limestone.
Through the action of heat and pressurw.
4 of 6
What is the balanced equation for the reaction of Calcium Oxide with water to form Calcium Hydroxide.
Cao + H^2O ----- Ca(OH)^2
5 of 6
Describe problems caused by one product of the incomplete combustion of a hydrocarbon fuel.
Produces toxic and poisonous carbon monoxide/carbon or soot which causes respiratory problems
6 of 6

Other cards in this set

Card 2

Front

Describe a test to show a gas is oxygen.

Back

Light a splint till glowing. It will relight, bursting into flame again.

Card 3

Front

Give a large scale use of limestone.

Back

Preview of the front of card 3

Card 4

Front

Explain how marble is formed from Limestone.

Back

Preview of the front of card 4

Card 5

Front

What is the balanced equation for the reaction of Calcium Oxide with water to form Calcium Hydroxide.

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all Environmental change resources »