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
Chemistry
| Question | Answer |
|---|---|
| An indicator is a chemical which: | changes colour in acids and alkalis. |
| The PH scale is used to: | describe how strong an acid or basic substance is. |
| Define Soluble: | Can be dissolved |
| Define Insoluble: | Can't be dissolved |
| All nitrates are: | Soluble |
| All sodium and potassium compounds are: | Soluble |
| All Chlorides are: | Soluble |
| Silver, calcium, barium and lead sulfate are: | Insoluble |
| All carbonates are: | Insoluble |
| Metal reacts with oxygen forming: | metal oxide (corrosion) |
| what can metal oxide do to an metallic element: | eat it away |
| what is stainless steel: | an alloy |
| can stainless steel rust?: | no |
| what can steel be protected by to prevent rusting?: | oil,paint or plastic |
| if a steel object is scratched what will happen?: | it will rust |
| what is decomposing?: | the rotting of a plant or animals caused by Bactria and air |
Created by:
mikaela555