Explain why the separation techniques in this lab can be used to separate water form salt- but cannot be used to separate the hydrogen from oxygen in water.
Describe the appearance of unknown residue A on the filter paper
Describe the appearance of the residue left following evaporation
Describe the crystal structure (if present)
Name the three substances in the unknown
Describe the appearnace of residue on the filter paper of unknown B
Describe the appearance of residue left following evaporation
Descibe the crystal structure if present
Name the three substances in the unknown substance B
Name the separation technique
Name the separation technique
Which technique would be useful for separating sand and saltwater?
Which technique would be useful for separating salt from water
Expain why technique A above would not be effective in separating mixture of salt, sugar and water?
Explain why technique B above would not be effective in separating a mixture of salt, sugar and water.
Draw a mixture of hydrogen and oxygen.
Draw a compound of hydrogen and oxygen
