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  • The Language of Chemistry - 2
  • Which of the following equations is balanced?
Multiple choice

Which of the following equations is balanced?

  1. $KNO_3$ $\to$ $KNO_2$ + $O_2$
  2. $2KNO_3$ $\to$ $2KNO_2$ + O
  3. $2KNO_3$ $\to$ $KNO_2$ + $2O_2$
  4. $2KNO_3$ $\to$ $2KNO_2$ + $O_2$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In option (4), number of atoms on both the sides of the equation is the same. 

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