Revision on chemical reaction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| How can we know that it is a chemical reaction? | When that object or substance is change color or gas given off or energy has changed and it's produce a new substance.
🗑
|
||||
| What word decribed a metal turning into rust? | Corrosion
🗑
|
||||
| What do we get when limestone and acids react together? | Carbon Dioxide
🗑
|
||||
| How can we form oxide? | When metal used in fireworks will burn in oxygen with a particular colour.
🗑
|
||||
| Metal+Acid-> ? | Hydrogen gas and metal salt
🗑
|
||||
| Magnesium+Hydrochloric Acid-> ? | Hydrogen gas and magnesium cholride
🗑
|
||||
| What substance and gas are in a fire triangle? | Substance that burns, enery and oxygen
🗑
|
||||
| What is in a fire extinguisher to cool the electrical fires? | Carbon Dioxide
🗑
|
||||
| What is another word for burning? | combustion
🗑
|
||||
| Fuel+oxygen->? | Carbon dioxide and water
🗑
|
||||
| methane+oxygen-> ? | carbon dioxide and water
🗑
|
||||
| What is hydrocarbon? | When any chemical that is made of only carbon and hydrogen.
🗑
|
||||
| What is decompose? | When chemical split up.
🗑
|
||||
| What made up starch? | carbon, hydrogen and oxygen.
🗑
|
||||
| Can we split water into hyrogen and oxygen and how? | Yes, using electrical energy.
🗑
|
||||
| How can we make the iron corrode more quickly? Why? | We use acud ran because it contains nitrice or sulphuric acids which will made the iron corrode more quickly.
🗑
|
||||
| How can we test if that gas is carbon dioxide? | Using a lighted splint, when the lighted splint put into carbon dioxide, the flame will go out straight away.
🗑
|
||||
| What is in water? | Oxygen and hydrogen.
🗑
|
||||
| carbon dioxide = ...+... ? | carbon + oxygen
🗑
|
||||
| What is the other way to make sure that gas is carbon dioxide? | Limewater test, if carbon dioxide is mixed with lime water, it will go milky, if it's not carbon dioxide, it will stay clear.
🗑
|
||||
| What made up sulphuric acid? | Oxygen, sulfur and hydrogen
🗑
|
||||
| Iron+sulphuric acid->? | Iron sulphate + Hydrogen gas
🗑
|
||||
| Is it the best way to cool the fire by using a fan? | No, the oxygen will make the fire bigger.
🗑
|
||||
| What substance form when magnesium is burn in the air? | Magnesium Oxide.
🗑
|
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:
KhanhDo
Popular Chemistry sets