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.
Powdered aluminum and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Powdered manganese and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Powdered iron and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Powdered nickel and powdered iodine are mixed together. Adding drops of water to the mixture fails to initiate a reaction.
Granular zinc and powdered iodine are mixed together. Adding drops of water to the mixture initiates a reaction.
Powdered zinc and solid iodine are mixed and no reaction is observed. Adding water to the mixture initiates a reaction.
Powdered aluminum and solid iodine are mixed and no reaction is observed. Adding water to the mixture initiates a reaction.
