Answer:
C. KClO3 and H2O
Step-by-step explanation:
- A is wrong because we no reaction occured.
- B is wrong because ClO4 is not and option and will not be a product.
- C is correct because we take K and place it with ClO3. Then, we take both Hs and one O to form H2O.
- D is wrong because the O3 is missing.
- Hope this helps! If you would like a more in-depth explanation please let me know.