Practice Test 1
Note: These questions are representative of the types you can expect on the test.
The actual test will be longer, typically between 20-40 questions.
You will need to bring a SCANTRON and pencil to each class test.
Instructions: Select the best answer then click on "get answer" box.
Question 1. Which of the following is a physical change only?
Question 2. Which of the following is a chemical change?
Question 3. Many home freezers maintain a temperature of 0 oF. Express this in oC.
Question 4. Iron has a density of 7.86 g/cm3. The volume of 55.85 g of iron is
Question 5. An aluminum ion, Al3+, has
Question 6. Which pair of elements would most likely form an ionic compound?
Question 7. What is the formula for the simple ionic compound formed by calcium and selenium?
Question 8. The correct name for Ba(OH)2 is
Question 9. Identify the compound that has the incorrect formula
Question 10. The Crookes tube was used to discover