(ii) Analogy Type Questions:
1. Sodium + Mercury : amalgam : Cu + Zn :
2. Lunar caustic : AgNO3 :: Chinese white :
3. Sodium + H20 : Hydrogen gas :: Cu + H20 :
4. K, Na, Mg: light metals :: Ag, Au, Pt :
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1)Brass
Description
DescriptionBrass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties. It is a substitutional alloy: atoms of the two constituents may replace each other within the same crystal structure.
2)white pigment consisting of zinc oxide.(Zno)
3)Copper and Water Reaction
Copper does not react with water. Copper does not react with water because the oxygen in water is locked into a compound with one part oxygen and two parts hydrogen.
4)Synthesis of highly fluorescent metal (Ag, Au, Pt, and Cu) nanoclusters by electrostatically induced reversible phase transfer
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1 is brass and 2 is philospher wool
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