The black solid left is whatever is left of the compound or elements. This is most likely the leftover water.
The evaporating dish would not be harmed if it was heated on a hot plate, but it should be heated on a bunsen burner.
What_is_the_black_substance_on_the_bottom_of_the_evaporating_dish_after_it_has_been_heated_on_a_bunsen_burner
the copper must have combined with another substance.
[object Object]
A Bunsen burner is not made of pyrex, it's metal. Usually a beaker or flask made out of pyrex glass is heated by the flame from the Bunsen burner.
The evaporating dish would not be harmed if it was heated on a hot plate, but it should be heated on a bunsen burner.
Certainly! That's what they're designed for.
What_is_the_black_substance_on_the_bottom_of_the_evaporating_dish_after_it_has_been_heated_on_a_bunsen_burner
the copper must have combined with another substance.
the copper must have combined with another substance.
Many salts do not decompose when heated.
no
Many salts do not decompose when heated.
Sodium Carbonate
Sodium Carbonate
[object Object]
A Bunsen burner is not made of pyrex, it's metal. Usually a beaker or flask made out of pyrex glass is heated by the flame from the Bunsen burner.