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Alloys

In stainless ...

Question

In stainless steel alloy, iron metal is mixed with:
(a) Cu and Cr
(b) Cr and Ni
(c) Cr and Sn
(d) Cu and Ni

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Solution

(b) Cr and Ni
Stainless steel is an alloy of iron, chromium and nickel. It is extremely strong and tough and does not corrode at all.

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Q. Option 15
Stainless steel is very useful material for our life. In stainless steel, iron is mixed with
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Q. Brass is an alloy of:
(a) Cu and Sn
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Q. In the table given is the composition of a few alloys. Based on this table answer the question.

Name of alloy	Elements in the alloy
Bronze	$C u$ and $Z n$
Brass	$S n$ and $C u$ $
Pewter	$P b, S b, S n, C u$
Steel	$F e, C r, M n, C$

Which of these metal alloys does not contain copper?

Q. Alloys containing iron are given. Find out a, b, c, and d.

Steels	Components	Uses
i. Alnico	..........a.........	..........b..........
ii. ......c.......	Fe , Cr , Ni , C	For making utensils
iii. Nichrome	Fe, Cr , Ni , C	.........d..........

Match the following.

Set -I Set -II

A) Nichrome 1) Pb, Bi,Sn,Cd

B) Type metal 2) Pb,Sb,Sn

C) Woods metal 3) Cu, Al, Zn

D) Devarda's alloy 4) Fe, Ni, Cr

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