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WorksheetsChemistry Review
Total questions: 25
Worksheet time: 25mins
Which of the following mixtures are an example of two solids?
Sugar and Water
Milk and Tea
Sand and Sugar
Cornstarch and Water
These states of matter will take the shape of their container:
Solid and a Gas
Solid and a Liquid
Liquid and a Gas
Which method would be the best way to separate sand and popcorn seeds?
Decanting
Using a Magnet
Using a Sieve as a Filter
Using a Coffee Filter
Which would NOT work for separating paper clips and popcorn seeds?
A Magnet
Picking Out by Hand
Using a Sieve as a Filter
Baking a cake is what kind of change?
A Physical Change
A Chemical Change
Ice melting in a glass is an example of this kind of change:
A Physical Change
A Chemical Change
A fire burning is what kind of change?
A Physical Change
A Chemical Change
What is the name of the scale that measures acids and bases?
The HP Scale
Science Scale
The pH Scale
What would happen if you spilled a liquid that had a pH of 1 or 14 on yourself.
Nothing
It would feel soothing
It would burn
If a substance is neutral, it would have a pH of
1-6
7
8-14
0
Substances that are acids have a pH of:
7
1-6
8-14
15
Substances that are bases have a pH of:
1-6
7
8-14
0
What kind of paper do you use to measure the pH of substances:
pH Paper
Construction Paper
Litmus Paper
Cardstock Paper
Which of the following is not a clue that a chemical reaction has taken place?
Changing size
Changing color
A gas being formed
Formation of a precipitate
Describe COHESION.
Water molecules attracted to other substances.
Water molecules climbing upwards against the force of gravity.
Water molecules dissolving many substances because of its polarity.
Water molecules attracted to other water molecules.
Because of surface tension, you can put things into a full glass of water and...
the water will immediately spill.
the water won't spill for quite a while.
the water will never spill.
when the water spills, whatever you put in will also spill.
surface tension of water can be reduced by
heating
Adding soap solution
cooling
adding salt
What kind of mixture is shown in the picture?
Homogeneous
Heterogeneous
What kind of mixture is shown in the picture?
Homogeneous
Heterogeneous
Our salt crystals formed because of...
salt
water
supersaturation
strings
In a salt water solution, which is the solvent; the water or the salt?
water
salt
