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Alloy Formation

The exact com...

Question

The exact composition of brass is

A

C u = 80

%,

Z n = 20

%

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B

C u = 90

%,

Z n = 10

%

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C

C u = 80

%,

S n = 20

%

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D

C u = 80

%,

S n = 10

%,

Z n = 10

%

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Solution

The correct option is A $C u = 80$ %, $Z n = 20$ %
Brass in an alloy of copper and zinc. In which percentage of copper and zinc are $80$ and $20$ respectively

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Q. The composition of brass is

C u = 60 % - 80 %, Z n = 20 % - 40 %

.

Q. Assertion :Bronze has the composition

S n

C u

Z n

(10%). Reason: Bronze is resistant over corrosion.

Q. Brass is an alloy of:
(a) Cu and Sn
(b) Cu and Pb
(c) Pb and Sn
(d) Zn and Cu

Q. Which alloy contains Cu, Sn and Zn ?

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?

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