SNC-2D Chemistry Lab Exam Review Worksheet
Types of Chemical Reactions
1. What are the main clues that a chemical reaction has occurred?
2. What are the 6 main types of chemical reactions?
3. Iron (III) chloride (FeCl3) reacts with Magnesium metal (Mg).
a. Write a word equation for this reaction.
b. Write a balanced chemical equation for this reaction.
c. What kind of chemical reaction is this?
4. Calcium nitrate (Ca(NO3)2) reacts with Sodium phosphate (Na3PO4).
a. Write a word equation for this reaction.
b. Write a balanced chemical equation for this reaction.
c. What kind of chemical reaction is this?
Acids and Bases
1. Label the following on the line above: Acid, Base, Neutral, 0, 7, 14.
2. You are given the following solutions: Distilled water, Pepsi and Windex cleaner. On your pH
scale above, label where you think each of these substances would fit.
3. If your teacher gave you Sulphuric acid and Magnesium hydroxide, answer the following
questions:
a. Predict the products in this neutralization reaction.
b. Write a word equation for this reaction.
c. Write a balanced chemical equation for this reaction.
Testing for Ions
1. In our previous lab, how did we identify a “positive test”? How did we KNOW an ion was
present?
2. What is the difference between a Tester solution and a Sample solution?
3. If we used Ag+(aq) and it formed a precipitate with Cl-(aq), what is the chemical formula of the
precipitate?
4. Examine the chart below. Which Sample solutions contained the ions that the students were
looking for?
Tester Solution 1
Sample Solution 1
Negative
Sample Solution 2
Negative
Sample Solution 3
Negative
Sample Solution 4
Negative
Tester Solution 2
Positive
Negative
Positive
Negative
Tester Solution 3
Negative
Negative
Negative
Negative