CH-1325
Collecting gases
Chemistry · Secondary 4 · Medium · Collecting gases
A student wants to obtain dry chlorine gas from a mixture of chlorine and water vapour. The gas is first passed through substance P, then through substance Q. Dry chlorine gas is collected at the end.
Which pair correctly identifies P and Q?
Which pair correctly identifies P and Q?
- P is aqueous sodium hydroxide, Q is concentrated sulfuric acid
- P is limewater, Q is anhydrous calcium chloride
- P is concentrated sulfuric acid, Q is glass beads
- P is water, Q is concentrated sulfuric acid
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