NAT SCI 1 FINAL QUIZ

1. Is the following chemical equation balanced? *

• YES

• NO

2. is the following chemical equation balanced?

• YES

• NO

3. Which of the following equations are correctly balanced?

(a)  

4. If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he/she is calculating the

• theoretical yield

• actual yield

• mole ratio

• percentage yield

5. Which of the following is a reactant?

• A

• B

• C

• E

6. What is the left part of the chemical equation called?

• A

• B

• C

• E

7. The right part of a chemical equation is called (a)   (answer in lower case letters)

8. How many Manganese(Mn) atoms are in the chemical compound? (answer is an integer)

(a)  

9. Balance the equation

• 2,1,2,1

• 1,2,1,2

• 1,2,2,1

• 2,2,2,2

• 2 moles

• 6 moles

• 4 moles

• unable to determine