Science, asked by SreehariAnil3744, 1 year ago

1. why precipitate is formed during a double displacement reaction?
2. what are the advantages of corrosion?

Answers

Answered by rednabeel10p5xoj7
6
Hey there,

1.Double displacement reactionoccur in aqueous solution, and the combination of cation and anion occur forming a compound which is insoluble in water. That is why always precipitation reaction occur.

2.Advantages of corrosion -

Protection : Surface corrosion forms an oxide layer which further protects the inner metal form corrosion.
Corrosion prevents corrosion :Some metals like zinc are used as sacrificial anodes to prevent corrosion to other metal.
Galvanic corrosion : The principle on which primary batteries work. In which one metal corrodes preferentially to another when both metals are in electrical contact, in the presence of an electrolyte.

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