CH-1385
Collecting gases
Chemistry · Secondary 4 · Medium · Collecting gases
A mixture contains three solids A, B and C.
• A is soluble in water but insoluble in ethanol.
• B is insoluble in water but soluble in ethanol.
• C is insoluble in both water and ethanol.
Water is added to the mixture and it is filtered. Ethanol is then added to the residue and the mixture is filtered again.
Which substance(s) are present in the second filtrate?
• A is soluble in water but insoluble in ethanol.
• B is insoluble in water but soluble in ethanol.
• C is insoluble in both water and ethanol.
Water is added to the mixture and it is filtered. Ethanol is then added to the residue and the mixture is filtered again.
Which substance(s) are present in the second filtrate?
- A only
- B only
- A and B
- B and C
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