8 Questions
| Attempts: 847

Questions and Answers

- 1.What does the Law of Conservation of Matter refer to?
- A.
Matter can not be created or destroyed.

- B.
Matter can be created but can not be destroyed.

- C.
Matter can be destroyed but not created.

- 2.What is Matter?
- 3.What side of the equation are the reactants on?
- A.
Right

- B.
Left

- C.
Middle

- D.
Both.

- 4.What are the reactants in the following equation?H
_{2}+ O → H_{2}O- A.
Hydrogen

- B.
Oxygen

- C.
Water

- D.
Hydrogen and Oxygen

- 5.How many atoms of N are in the following molecule?NH
_{3}- A.
1

- B.
2

- C.
3

- D.
0

- 6.How many atoms of Fe are in the following molecule?Fe
_{2}O_{3}- A.
0

- B.
1

- C.
2

- D.
3

- 7.Is the following equation balanced? NH
_{3}+ HCl à NH_{4}Cl (yes or no) - 8.What are the correct coefficients needed to balance the following equation?____Al + _____ O
_{2}à ____ Al_{2}O_{3}- A.
2,3,4

- B.
1,3,2

- C.
4,3,2

- D.
4,2,3

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