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10 questions
Does this show an element, a mixture or a compound?
Compound
Mixture
Element
Is water an element, compound or mixture?
Element
Compound
Mixture
What is the name of the process that occurs when salt is added to water and then stirred until the solid is no longer visible?
Filtration
Evaporation
Dissolving
Is air an element, compound or mixture?
Element
Compound
Mixture
In what type of substance does diffusion take place most quickly?
Solid
Liquid
Gas
In a solution of copper sulfate, what is the solvent?
The water
The copper sulfate
The mixture
What name is given to a substance that contains two types of atom that are not chemically joined together?
Element
Compound
Mixture
In a salt solution, what is the solute?
The water
The salty water
The salt
What process allows you to smell freshly baked bread in a supermarket, even when you are far from the bakery aisle?
Evaporation
Diffusion
Chromatography
What happens to the boiling point of water when salt is added to it?
It no longer boils at exactly 100 degrees Celsius
It boils at exactly 100 degrees Celsius
It will never boil
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