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Chapter 4 science 7th grade

Total questions: 13

Worksheet time: 9mins

Name
Class
Date
1.

A(n) _______ is when you have added so much solute that no more dissolves.

a)

Mixture

b)

solution

c)

unsaturated solution

d)

saturated solution

2.

a(n) ________ is a reaction between an acid and a base.

a)

solution

b)

neutralization

c)

mixture

d)

base

3.

A(n) _________ is a mixture containing a solvent and at east one solute and has the same properties throughout.

a)

Solution

b)

suspension

c)

base

d)

acid

4.

A(n) ________ is the substance that is dissolved by the solvent.

a)

Mixture

b)

solute

c)

solution

d)

saturated solution

5.

_______ acid is used to make fertilizers.

a)

Phosphoric

b)

Hydrochloric

c)

sulfuric

d)

solubility

6.

________ Acid helps with digestion.

a)

Phosphoric

b)

Hydrochloric

c)

sulfuric

7.

______ acid is also known as battery acid

a)

Phosphoric

b)

Hydrochloric

c)

Sulfuric

8.

A mixture containing particles that are too small to be seen easily but are large enough to scatter a light beam is called a(n) _________

a)

neutralization

b)

colloid

c)

base

d)

solubility

9.

_______ tastes bitter, feels slippery, and turns red litmus paper blue.

Ex: Dish soap, window cleaner, blood, and baking soda.

a)

acid

b)

base

c)

solubility

d)

mixture

10.

A safe way to tell whether an unknown solution is salt or sugar in water is to test the ________ of the solution.

a)

solution

b)

electrical conductivity

c)

mixture

d)

solubility

11.

_____ react with metals and carbonates, tastes sour, and turns blue litmus paper red.

Ex: Lemons, oranges, vinegar

a)

acids

b)

bases

c)

solubility

d)

solute

12.

Solubility can be increased by increasing the _______.

a)

mixture

b)

temperature

c)

solution

d)

solute

13.

Draw spider man

Ps. whoever gets it most right gets automatic hundred