Balancing Chemical Equations Quiz Questions And Answers

10 Questions | By Ch3mboi | Updated: Jun 26, 2022 | Attempts: 16320

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Get ready for this balancing chemical equations quiz. When it comes to chemical reactions, there are some ways that you can identify the changes in the elements to check for physical changes or chemical changes. When it comes to chemical equations, there are some people who find it hard to balance them out and obtain the right solution. Are you one of them? If so, below are some questions to help you out?

Questions and Answers

1.

___ CH₄ + ___O₂ --> ___CO₂ + ___H₂O
- A.
  
  1 2 1 2
- B.
  
  2 1 2 1
- C.
  
  3 1 2 4
- D.
  
  1 2 3 4
- E.
  
  4 3 1 2
2.

_____NH₃ --> ______N₂ + ______H₂
- A.
  
  3 1 2
- B.
  
  2 1 3
- C.
  
  1 2 3
- D.
  
  3 2 1
- E.
  
  1 3 2
3.

1. ______NH₃ --> ______NH2 + ______H₂
- A.
  
  2 1 3
- B.
  
  2 3 1
- C.
  
  3 1 2
- D.
  
  1 3 2
- E.
  
  None of these
4.

One CH4 molecule needs two O2 molecules for all the carbon and hydrogen atoms to get properly bonded to oxygen atoms.
- A.
  
  True
- B.
  
  False
5.

______ C + ______ O₂ --> ______ CO₂write the correct prefixes below
- A.
  
  2 1 1
- B.
  
  1 1 1
- C.
  
  1 2 1
- D.
  
  1 2 3
- E.
  
  None of these
6.

______ C + --> ______ CO_{2 = 1 2 3}
- A.
  
  True
- B.
  
  False
7.

______ CH₂O + ______ HCl --> ______ CH₄O + ______ Cl₂
- A.
  
  1 2 1 1
- B.
  
  2 1 1 1
- C.
  
  1 1 2 1
- D.
  
  1 1 1 2
- E.
  
  1 2 1 1
8.

1. ______ H₂S + ______ O₂ --> ______ H₂O + ______ S
- A.
  
  2 1 2 2
- B.
  
  2 2 1 2
- C.
  
  2 2 2 1
- D.
  
  1 2 2 2
- E.
  
  3 1 2 2
9.

What law says we need to have balanced chemical equations?
- A.
  
  The law of constant attention
- B.
  
  The law of constant comments
- C.
  
  The second law of thermodynamics
- D.
  
  The law of conservation of mass
- E.
  
  The rule of law
10.

What would happen if we did not follow the law of conservation of mass when taking apart and then putting together a car for repair?
- A.
  
  We would have extra pieces left over at the end.
- B.
  
  Something would fall off the car soon enough.
- C.
  
  A fuel leak might leave a trail of gasoline along the highway.
- D.
  
  The car might blow up.
- E.
  
  All of the above.