Question

an aqua solution
$ZnSO_4 \: and \: AgNO_3$
are colourless whereas ferrous sulphate solution is light green now copper strip is put in the each solution , which solution become blue​



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Answer 1

A typical reaction with silver nitrate is to suspend a rod of copper in a solution of silver nitrate, and leave it for a few hours. The silver nitrate reacts with copper to form hair like crystals of silver metal and a blue solution of copper nitrate.

$2AgNO_3 + Cu \longrightarrow Cu(NO_3)_2 + 2Ag$

Copper is unable to displace potassium, calcium and zinc from their nitrate solution which are higher than copper in the activity series.

Answer 2

$\huge\red{Answer}$

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☆☞ [ Verified answer ]☜☆

Anhydrous zinc sulfate is a colorless crystalline solid. Zinc sulfate is also obtained as a hexahydrate, ZnSO4.6H2O, and as a heptahydrate ZnSO4.7H2O. All forms are soluble in water. All are noncombustible. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in the production of rayon, as a feed supplement, and as a fertilizer ingredient.

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