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Standard VIII
Chemistry
Elements
is an alloy o...
Question
_______ is an alloy of copper and tin.
A
Gold
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B
Bronze
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C
Steel
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D
Brass
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Solution
The correct option is
B
Bronze
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Similar questions
Q.
Bronze is an alloy of
and
(a) Copper and Silver
(b) Copper and Tin
Q.
60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is
Q.
60
k
g
of alloy A is mixed with
100
k
g
of alloy B. If alloy A has lead and tin in the ratio
3
:
2
, and alloy B has tin and copper in the ratio
1
:
4
, then amount of tin in the new alloy is
Q.
Bronze is a solid alloy of 88% copper and 12% tin by mass. Brass is an alloy of 95% copper and 5% zinc by mass. Calculate the mole fraction of copper when 100 g of each alloy is mixed together.
(Molar mass of copper = 63.5 g/mol, molar mass of tin = 119 g/mol and molar mass of zinc = 65.5 g/mol)
Q.
The alloy of copper and tin with a mass of
8
kg contains
p
per cent of copper. What piece of the copper-tin alloy containing
40
per cent of tin must be alloyed with the first piece in order to obtain a new alloy with the minimum percentage of copper if the mass of the second piece is
2
kg?
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