Chemistry C1

?
What is produced when calcium carbonate and an acid react?
A calcium salt, carbon dioxide and water.
1 of 8
How do you test carbon dioxide in calcium hydroxide?
Make a limestone solution(add calcium hydroxide to water) and bubble a gas through it. The lime water will turn cloudy if carbon dioxide is present.
2 of 8
What causes the lime water to turn cloudy?
The formation of calcium carbonate.
3 of 8
What are the disadvantages of making cement?
Cement factories create dust which causes breathing problems and energy is needed (burning fossil fuels) to create it.
4 of 8
How does displacement in metals work?
The more reactive, the more metal bonds more strongly to the non-metal bit of the compound. This, pushes out the less reactive metal.
5 of 8
What are the disadvantages of mining ores?
Useful products can be made, providing jobs for local people,it brings money into the area. Health and transport services can be improved.
6 of 8
Is the temperature higher at the top or the bottom of the column?
Bottom
7 of 8
What is the Primordial Soup theory?
The Earth's early atmosphere was rich in nitrogen, ammonia and methane. Lightning struck so these gases reacted to form amino acids which created life.
8 of 8

Other cards in this set

Card 2

Front

How do you test carbon dioxide in calcium hydroxide?

Back

Make a limestone solution(add calcium hydroxide to water) and bubble a gas through it. The lime water will turn cloudy if carbon dioxide is present.

Card 3

Front

What causes the lime water to turn cloudy?

Back

Preview of the front of card 3

Card 4

Front

What are the disadvantages of making cement?

Back

Preview of the front of card 4

Card 5

Front

How does displacement in metals work?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Polymers resources »