2042686
Descripción
Test por kevinhaake24, actualizado hace más de 1 año
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Creado por kevinhaake24
hace casi 10 años
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Pregunta 1
Pregunta
Which one of there pieces of apparatus is best used for mixing a solution of chemicals?
Respuesta
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A Flask
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A Measuring Cylinder
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A Burette
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A Pipet
Pregunta 2
Pregunta
An ion is a atom or groups of atoms that has an electrical charge
Respuesta
- True
- False
Pregunta 3
Pregunta
When heating a solid it loses energy which causes them to melt
Respuesta
- True
- False
Pregunta 4
Pregunta
Diffusion is when the particle moves between each other.
Respuesta
- True
- False
Pregunta 5
Pregunta
Filtration is used to separate a solid from a solution
Respuesta
- True
- False
Pregunta 6
Pregunta
Simple Distillation helps you obtain a solvent from a solution
Respuesta
- True
- False
Pregunta 7
Pregunta
Fractional Distillation only works if all substance have the same boiling points
Respuesta
- True
- False
Pregunta 8
Pregunta
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.
Respuesta
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The student used a spoon to collect all the sand grains out from the salt.
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The student used water to dissolve the salt, separating the salt and sand.
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The student used water to dissolve the sand, and used filter paper to separate sand from salt.
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The student mixed salt and water, then filtered the sand. The water was crystallized later on.
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