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Which of the following is a synthesis reaction? 2S + 3O2 2SO3 2Na + 2H2O 2NaOH + H2 2H2O2 2H2O + O2 CaCl2 + F2 CaF2 + Cl2

User Ilooner
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2 Answers

3 votes

It should be the first option.


User Joerage
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1 vote
2S + 3O2 => 2SO3 first option
User Mark Sinkinson
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