help!!!!!!!!!!!!!?

Question

what are the detailed description observations of:
+burning candle
+baking soda and white vingar
+a sodium bicarbonate tablet and to water
+pouring gas from steps 2 or 3 on a lit candle (i picked step 2)

Answer 1

Burning candle - yellow flame, wax slowly goes down.
Baking soda and vinegar - much fizzing. Gas poured onto candle - flame goes out. Oxygen removed - no combustion, due to the carbon dioxide given off.