Chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Why are alloys harder? | Their layers are harder to slide around, unlike metal elements.
🗑
|
||||
| What is the equation for neutralisation? | acid+base->salt+water
🗑
|
||||
| Name the three types of salt. | Nitrate, Sulphide, Chlorine
🗑
|
||||
| Give an example of a sedimentary rock | limestone, sandstone
🗑
|
||||
| How is igneous rock formed? | The magma enters the surface and cools down.
🗑
|
||||
| How is sedimentary rock formed? | weathering, erosion and deposition to the ocean layers. compacted and cemented.
🗑
|
||||
| what is sustainability? | a process that can go on forever.
🗑
|
||||
| What are bases? | Compounds that dissolve in water into alkali.
🗑
|
||||
| hydrochloric acid+ potassium hydroxide-> | potassium chloride+ water
🗑
|
||||
| How can you check neutralisation? | With pH paper or universal indicator.
🗑
|
||||
| metal carbonate+ acid-> | salt+carbon dioxide+ water
🗑
|
||||
| what is brass? | an alloy, its a mixture of copper and zinc, stronger, used in decoration that need heavy forces
🗑
|
||||
| how can you form copper sulphate? | extract copper from copper ores. react it with oxygen. copper oxide is formed. mix it with sulphuric acid. filter it.
🗑
|
||||
| how can you tell if a salt is chloride? | it uses hydrochloric acid.
🗑
|
||||
| stone is strong under... | compression (squashing forces)
🗑
|
||||
| stone isn't strong under... | tension (pulling forces)
🗑
|
||||
| what does porous mean? | it has holes that allow water to go into it.
🗑
|
||||
| list the properties of metamorphic rocks. | not porous. therefore, hard to cut. not resistant to chemical weathering when there is calcium carbonate.
🗑
|
||||
| list the properties of igneous rocks. | hard to cut, not porous, no calcium carbonate.
🗑
|
||||
| what is solder? | an alloy made of lead and tin. soft, malleable, low melting point, used to join metal pipes.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Candy Chan
Popular Science sets