Balancing Equation And Conservation Of Matter
8 Questions
| Attempts: 847
This quiz is designed to help you master the concepts of conservation of matter and become more comfortable with balancing equations.
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?H2 + O → H2O
- A.
Hydrogen
- B.
Oxygen
- C.
Water
- D.
Hydrogen and Oxygen
- 5.How many atoms of N are in the following molecule?NH3
- A.
1
- B.
2
- C.
3
- D.
0
- 6.How many atoms of Fe are in the following molecule?Fe2O3
- A.
0
- B.
1
- C.
2
- D.
3
- 7.Is the following equation balanced? NH3 + HCl à NH4Cl (yes or no)
- 8.What are the correct coefficients needed to balance the following equation?____Al + _____ O2 à ____ Al2O3
- A.
2,3,4
- B.
1,3,2
- C.
4,3,2
- D.
4,2,3
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