Question

what may happen and why when a wooden splinter is held over a flame​

Answer 1

Answer:

Carbon dioxide puts out a flame, so when the wooden splint was placed into the flask, the flame was extinguished. ... When dropped into water, the Efferdent decomposes, and with the help of the built in catalyst, a pure oxygen gas rises from the bottom of the flask.

Answer 2

Answer:

Carbon dioxide puts out a flame, so when the wooden splint was placed into the flask, the flame was extinguished. ... When dropped into water, the Efferdent decomposes, and with the help of the built in catalyst, a pure oxygen gas rises from the bottom of the flask.