Question 58
Carry out these steps to test for oxygen produced in a reaction.
1. Your teacher will prepare oxygen from hydrogen peroxide (Figure 9.22) and fill stoppered boiling tubes with oxygen. Keep your stoppered boiling tube of oxygen in a rack.
2. Light a wooden splint, then blow it out.
3. Carefully remove the stopper from the boiling tube of oxygen in the rack and insert the glowing splint.
4. Repeat steps 1 to 3 two or three times and record your observations.
1. Your teacher will prepare oxygen from hydrogen peroxide (Figure 9.22) and fill stoppered boiling tubes with oxygen. Keep your stoppered boiling tube of oxygen in a rack.
2. Light a wooden splint, then blow it out.
3. Carefully remove the stopper from the boiling tube of oxygen in the rack and insert the glowing splint.
4. Repeat steps 1 to 3 two or three times and record your observations.
