Question

Which among the following alloys contain non-metals as one of it’s constituents?
a)Brass
B)Amalgam
D)Gun metal
D)None of these

Answer 1

steel is an alloy contains non metal has one of its constituent

Answer 2

(D) None of these.

• Brass is the alloy of copper (Cu) and zinc (Zn), in the proportions which can varied to achieve various mechanical, electrical, & chemical properties.
• It is the substitutional alloy, atoms of  2 constituents will replace each other within a same crystal structure.

• The common constituent of Amalgam  is Mercury, Tin, Silver, Copper, & other Trace metals.

• Mercury alloy is alloyed with the number of the metals forms amalgam, which is a primarily used for  the dental fillings.

• Modern admiralty Gunmetal is composed of 88% of Copper, 10 % of Tin, and 2 % of zinc and is used for the gears & bearings that are to be subjected to the heavy load & low speeds. It with-stands atmospheric, steam, & seawater corrosion and it is also suitable for the valves, pump parts, & steam fittings.

Hence All the three contains metals,

So answer is Option (D)  None of these.

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