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20 February, 18:31

Look at the four chemical reactions.

Reaction 1: NH4OH - NH3 + H20

Reaction 2: 2NaCI 2Na + Cl2

Reaction 3: CaO + H20 - Ca (OH) 2

Reaction 4:2KCIO33 - 2KCI + 302

Which statement identifies the reaction that is different from the rest and explains correctly why it is different?

Reaction 3, because a single ion is replaced in a compound

Reaction 3, because a single product is synthesized

Reaction 4. because two products are synthesized

Reaction 4. because two ions are interchanged

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Answers (1)
  1. 20 February, 18:42
    0
    The answer is Reaction 2
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