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Mg + HCl  MgCl2 + H2

Double replacement – two compounds switch parts with one another.

AgNO3 + K2SO4  Ag2SO4 + KNO3

User Alen Lee
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Answer:

Mg + 2 HCl = MgCl2 + H2

2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3

Step-by-step explanation:

User Pvpkiran
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