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Worksheets

Solutions!

Total questions: 27

Worksheet time: 3hrs 17mins

Name
Class
Date
1.

When we combine 2 substances they always form a

a)

mixture

b)

solution

c)

solute

d)

solvent

2.

When you add sugar in coffee, you are adding a ______ to a ______.

a)

Solute to a solution

b)

solvent to a solution

c)

solute to a solvent

d)

solvent to a solute

3.

The salt in saltwater is the_____

a)

solvent

b)

solute

c)

solution

d)

mixture

4.

When we add chocolate syrup to milk, the milk is the _____

a)

solvent

b)

solute

c)

solution

d)

mixture

5.

chocolate milk is a _________ __________

a)

hemostasis solution

b)

homogenous solution

c)

heterogenous solution

d)

all of the above

6.

when we add milk to cereal you make a ________ _______

a)

hemostasis mixture

b)

homoegenous mixture

c)

heterogenous mixture

d)

all of the above

7.

When salt mixes into water it is...

a)

concentrating

b)

diluted

c)

acidic

d)

dissolving

8.

When we adjust how much of a substance to add to the other substance, we change the ...

a)

concentration

b)

acid level

c)

base level

d)

dissolving

9.

When the substance cannot dissolve into the other substance, it is considered...

a)

concentrated

b)

saturated

c)

soluble

d)

all of the above

10.

Give 2 examples of a heterogenous mixture you have made before.

4 lines
11.

Give 2 examples of a homogenous solution you have made before.

4 lines
12.

What numbers does the PH scale range from?

4 lines
13.

What is the process for forming a solution?

4 lines
14.

What is the universal solvent?

a)

bleach

b)

ice tea

c)

water

d)

hydrogen

15.

Is a 6 on the PH scale a base/alkaline or an acid?

4 lines
16.

You are testing a water sample and the indicator shows up as blue, is this an acid or a base?

4 lines
17.

Match the following

a)

dissolving

1.

two or more items combine in a solution.

b)

homogenous solution

2.

a solution where the contents are mixed evenly

c)

heterogenous solution

3.

A mixture where the contents are not the same throughout

d)

concentration

4.

a measure of the amount of solute that has been dissolved in 1L of solvent

e)

solubility

5.

the ability to be dissolved

18.

When mentos were added to coke in our experiment, what is the solute, and what is the solvent?

When the mento began disappearing into the coke, what process is this called?

4 lines
19.

All acids and bases are safe.

a)

true

b)

false

20.

Match the following

a)

acid

1.

hydrogen ions

b)

base

2.

hydroxide ions

c)

neutral pH

3.

7

21.

A base will usually taste...

a)

horrible

b)

delicious

c)

bitter

d)

sour

22.

An acid will usually taste

a)

sour

b)

bitter

c)

tasty

d)

healthy

23.

What is the pH of battery acid?

a)

3

b)

9

c)

6

d)

0

24.

Draw a picture of the surface of a mento.

25.

Explain the reaction of the elephant toothpaste lab and how it worked. Words to include: yeast, water, gas, hydrogen peroxide, cup, 3/4 full.

4 lines
26.

Draw a picture of the mentos and coke experiment when it reacted.

27.

What was your favourite experiment and why?

4 lines

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