Q.

Is it true that stainless steel is a mixture of nickel and chromium?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
When a particular metal is mixed with another metal or non-metal to prepare a homogeneous mixture, it is called an alloy. Steels which contain at least 10.5% chromium, less than 1.2% carbon, and other alloying elements are classified as stainless steels. Other elements, such as nickel, molybdenum, manganese, titanium, niobium, and others, can be added to stainless steel to improve its corrosion resistance and mechanical properties. It is used to make surgical instruments, utensils, cutlery, etc.
 
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