alleryThe reaction AgNO₃ + NaCl → AgCl + NaNO₃ is best classified as:
ACombination reaction
BDecomposition reaction
CSingle displacement
DDouble displacement (precipitation)
Answer & Solution
Correct answer: D. Double displacement (precipitation)
1. AB + CD → AD + CB — ions swap partners.
2. Silver chloride (AgCl) is insoluble; it precipitates out as a white solid.
3. Hence this is both DOUBLE DISPLACEMENT and PRECIPITATION.
_Source: syllabus Science Ch 1 §1.2.4 Double Displacement_
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