Exploding soap bubbles filled with hydrogen plus more oxygen
Hydrogen plus more oxygen produces even louder explosions.
reactions
Loss of mass of marble due to reaction with nitric acid
The effect of nitric acid on marble chips is demonstrated.
Reaction of sodium and chlorine
A small piece of sodium metal is placed in a flask containing chlorine gas. Initially, no reaction is observed, but addition of a drop of water to the sodium initiates a vigorous reaction. Includes close-up replay of reaction.
Reaction of aluminum with iodine
Powdered aluminum and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Reaction of manganese with iodine
Powdered manganese and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Reaction of iron with iodine
Powdered iron and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Reaction of nickel with iodine
Powdered nickel and powdered iodine are mixed together. Adding drops of water to the mixture fails to initiate a reaction.
Reaction of zinc with iodine
Granular zinc and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Zinc iodine reaction
Powdered zinc and solid iodine are mixed and no reaction is observed. Adding water to the mixture initiates a reaction.
Aluminum iodine reaction
Powdered aluminum and solid iodine are mixed and no reaction is observed. Adding water to the mixture initiates a reaction.