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21-08-2022
Chemistry

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Which of the following reactions is an example of a double displacement reaction?
Select one:
a. CH4 + 0₂ --> CO₂ + H₂O
b.KCIO3 --> KCI + O₂
c.Fe + Sg --> Fes
d. Na₂S + HCI --> NaCl + H₂S

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