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Set for experiments "Bettger volcano"

Brand: Эврики
Product Code: 7338751
0 reviews
$12.83
In Stock
Characteristics
A country
China
Age
From 5 years
The number of experiments
1
Type of research
Experiments with reagents
Type of science
Chemistry
...

With a set for experiments, the child learns about the amazing properties of substances, conducts a fascinating experiment and surprise friends.

“Bettger volcano” is a bright indicative chemical experience. It consists in burning the dichromate of ammonium.

will help in studying

Experience can be used as an example of an oxidation and restoration reaction.

simple instructions

  • Put on gloves. Conduct experience in a well -ventilated room. It is better to cover the workplace so as not to get dirty.
  • Pour the contents of the bag with a slide into an aluminum bowl. And put it on any non-combustible surface, for example, on something ceramic or on a tile.
  • Make a deepening from above, turning the hill into a small volcanic.
  • Attention: Work with fire! Help the child to set fire to the resulting volcanic and do not leave unattended during the experience.
  • Watch how the self -supported exothermic reaction of the decomposition enchantically turns orange ammonium ditch into green ashes.

    • The result. The redox reaction, in which the chromium atom, which is part of the dichromatic anion of salt, takes the electrons from nitrogen atoms, which are contained in the ammonium cation.

    The set for experiments is intended for children over 5 years of age. Children should conduct experiments only under the supervision of adults.

    Characteristics
    A country China
    Age From 5 years
    The number of experiments 1
    Type of research Experiments with reagents
    Type of science Chemistry
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