Free Printable Chemical Reactions and PH Scales

Worksheets

Chemical Reactions and PH Scales

Total questions: 25

Worksheet time: 16mins

Name

Class

Date

Tastes bitter.

Acids

Bases

Salts

Tastes Sour

Acids

Bases

Salts

Which is most acidic?

Lemon Juice

Black Coffee

Milk

Match each of the following: Acid, Base, or Neutral

Base

Bleach (13)

Neutral

Water (7)

Acid

Soda (4)

According to the pH range which substance is more acidic than lemon juice

Hydrochloric acid

cabbage

milk

A solution with a pH of 8.6 would be...

Acid

Base

Neutral

A solution with a pH of 3.6 would be...

Acid

Base

Neutral

What is the only substance with a neutral pH of 7?

Milk

Orange Juice

Water

A(n) _______ is a substance with a pH greater than 7.

Base

Acid

Water

10.

A(n) ______ is a substance with a pH less than 7

Acid

Base

Buffer

11.

Which of these substances is acidic?

12.

Healthy environments for life have a pH closest to:

13.

Identify the following chemical reaction.

3 HBr + 1 Al(OH)₃ ----> 3 H₂O + 1 AlBr₃

Synthesis (or combination)

Decomposition

Double displacement

14.

Identify the type of chemical reaction

Single replacement

Double replacement

Combustion

15.

Identify the type of chemical reaction

Synthesis

Double replacement

Combustion

16.

Identify the type of chemical reaction

Decomposition

Single replacement

Combustion

17.

What reaction has the following general formula:
$C_xH_y\ +\ O_2\ ->CO_{2\ }+\ H_2O$

Combination

Double Replacement

Combustion

18.

a substance that is formed as the result of a chemical reaction is called

Product

Reactant

19.

What are the basic building blocks for all matter?

atoms

elements

compounds

20.

Baking bread and cooking an egg are examples of....?

Endothermic processes

Exothermic processess

21.

Exothermic reactions...

Release energy

Release Color

Absorb Color

22.

Ice melting

Chemical Change

Physical Change

23.

What happens in ALL chemical changes?

Change in state of matter

A new substance is formed

Bubbles are produced

24.

Water can dissolve many things so it is called the .....

wonderful water

liquid

universal solvent

25.

What types of reactions absorb and release heat?

acidic and basic

endothermic and exothermic

covalent and ionic

Reset

Chemical Reactions and PH Scales

Total questions: 25

Worksheet time: 16mins

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