Coal (miscellaneous) and its processing products - 14 samples sunk into the material

MACHINE TRANSLATION (not authorised yet)

There are 14 samples of different forms of carbon and their processing products sunk into a transparent plastic block:

1 - lignit

2 - bituminous coal

3 - anthracite

4 - gas

5 - fiber

6 - rubber

7 - coke

8 - ammonia (its compounds)

9 - naphthalene

10 - fertilizer

11 - pesticide

12 - cure

13 - dye/paint

14 - coal tar

Block wrapped in a bubble pocket and placed in a lockable cardboard box. Teaching aid dimensions: 18 x 14 x 2.4 cm.