Loss of mass of marble due to reaction with nitric acid
The effect of nitric acid on marble chips is demonstrated.
The effect of nitric acid on marble chips is demonstrated.
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.
Hydrogen and chlorine gases can be mixed together without reacting, but when the mixture is struck with bright light, it reacts explosively.