chemistry

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a. Cl2 + 2NaI → 2NaCl + I2

This is a single replacement reaction.

b. 2K + 2HCl → 2KCl + H2

This is a single replacement reaction.

c. N2 + 3H2 → 2NH3

This is a synthesis reaction.

d. 2KClO3 → 2KCl + 3O2

This is a decompisition reaction

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    correct.

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