Which one of there pieces of apparatus is best used for mixing a solution of chemicals?
A Flask
A Measuring Cylinder
A Burette
A Pipet
An ion is a atom or groups of atoms that has an electrical charge
When heating a solid it loses energy which causes them to melt
Diffusion is when the particle moves between each other.
Filtration is used to separate a solid from a solution
Simple Distillation helps you obtain a solvent from a solution
Fractional Distillation only works if all substance have the same boiling points
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.
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.
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