20,345
edits
Changes
→Method
: 3. Place the [[Test Tube]] underwater to fill and hold upside down over the exit of the delivery tube.
: 4. Heat the metal carbonate in the [[Boiling Tube]].
: 5. Observe any colour change of the [[substance]] in the [[Boiling Tube]] and collect the [[gas]] to test whether it is [[Carbon Dioxide]].
|}