1. Directions
You will read passages on the topic and then answer questions about them. You may find vocabulary at the end of the test. Read the questions carefully before choosing the correct answers.2. Questions of the test
Question 1. What is charcoal made of?
A) Carbon and ash
B) Oxygen and water
C) Carbon and water
D) Carbon and sulfur
Question 2. How is charcoal typically produced?
A) Slow pyrolysis
B) Dehydration reaction with sulfuric acid
C) Rapid pyrolysis
D) Combustion
Question 3. How can charcoal be used in its purest form?
A) As a filter
B) As a catalyst
C) As an adsorbent
D) As a dietary supplement in the form of charcoal biscuits
Question 4. What is charcoal traditionally used for?
A) Art
B) Medicine
C) Metallurgical fuel
D) All of the above
Question 5. What is one way that charcoal has been used in the past?
A) As a filter
B) As a catalyst
C) As an adsorbent
D) As a dietary supplement in the form of charcoal biscuits