1 The principal purpose of extraction is ___________.
To recover a substance from a mixture
To sublime a substance
To activate a substance
None of the above
2 The boiling point of methanol is ______________.
65oC
65oC
78oC
78oC
97oC
97oC
69oC
69oC
3 Which equipment can be used for a fire?
Band-aid
Fire quencher
Fire blanket
Fire extinguisher
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