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Crush up the rock salt - PowerPoint PPT Presentation
- By elam
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1. 2. Crush up the rock salt. Add the rock salt to 50 cm 3 of water and stir for 2 minutes. 3. 4. Heat for 5 minutes and then cool for 5 minutes (TAKE CARE). Filter it. 5. Weigh an empty evaporating basin and write the mass down. 6.
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Presentation Transcript
2
Crush up the rock salt
Add the rock salt to 50 cm3 of water and stir for 2 minutes
3
4
Heat for 5 minutes and then cool for 5 minutes (TAKE CARE)
Filter it
Weigh an empty evaporating basin and write the mass down.
6
Pour the liquid into the evaporating basin. Stand it on a piece of paper with your name on the window sill.
Clear up and then…
Explain why you did each step in the method.
