Question

Which one of the following does not

contain silver?

A. Horn silver

B. German silver

C. Ruby silver

D. Lunar caustic​

Answer 1

Ans. B

Sol. Except German silver, all alloys given

in question contain silver. There are some

important alloys and their components

are given below:

(i) Horn silver It is also called silver

chloride (Ag Cl). Its components are Ag

and Cl.

(ii) German silver Cu-50%,Zn-35%,Ni-1

5%.

(iii) Ruby silver It is also called red silver.

(iv) Lunar caustic It is also called silver

nitrate (AgN03).

Answer 2

d lunar caustic

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