Single Answer MCQ
Q-00019193
Which of the following is the best example of a synthesis reaction?
1
2Na + Cl2 → 2NaCl
2
CaCO3 → CaO + CO2
3
Zn + CuSO4 → ZnSO4 + Cu
4
AgNO3 + NaCl → AgCl + NaNO3
Answer and Solution
Answer
A. 2Na + Cl2 → 2NaCl
Solution:
In the reaction 2Na + Cl2 → 2NaCl, sodium and chlorine react to form sodium chloride, making it a synthesis or combination reaction where two elements combine to form a compound.
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