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What is the difference between the following two types of reactions? AgNO3 + HCl → AgCl + HNO3 Mg + 2HCl → MgCl2 + H2

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Answer

ReactionType of ReactionExplanation
AgNO₃ + HCl → AgCl + HNO₃Double Displacement & Precipitation Reaction– Ions exchange places: Ag⁺ from AgNO₃ and Cl⁻ from HCl form AgCl (a white precipitate).
– Since AgCl is insoluble, it settles as a precipitate.
Mg + 2HCl → MgCl₂ + H₂Single Displacement Reaction– Magnesium (Mg) is more reactive than hydrogen (H₂) and replaces it in HCl.
– Mg forms MgCl₂, and H₂ gas is released as bubbles.

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