An ion is a atom or groups of atoms that has an electrical charge
Antworten
True
False
Frage 3
Frage
When heating a solid it loses energy which causes them to melt
Antworten
True
False
Frage 4
Frage
Diffusion is when the particle moves between each other.
Antworten
True
False
Frage 5
Frage
Filtration is used to separate a solid from a solution
Antworten
True
False
Frage 6
Frage
Simple Distillation helps you obtain a solvent from a solution
Antworten
True
False
Frage 7
Frage
Fractional Distillation only works if all substance have the same boiling points
Antworten
True
False
Frage 8
Frage
A solution of sand and salt was given to a student. His job was to separate them and get its purest from of salt. Tick the correct answer of method the student used to separate sand and salt.
Antworten
The student used a spoon to collect all the sand grains out from the salt.
The student used water to dissolve the salt, separating the salt and sand.
The student used water to dissolve the sand, and used filter paper to separate sand from salt.
The student mixed salt and water, then filtered the sand. The water was crystallized later on.