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Introduction to d and f Block Elements

In what ratio...

Question

In what ratio must three alloys containing copper 35%, and 40% by weight to get a new kind of alloy containing 36% copper b/w.

A

1: 4

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B

2: 1

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C

1: 2

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D

4: 1

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Solution

The correct option is D 4: 1

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Similar questions

Q. In what ratio must three alloys containing copper 30%, 35%, and 40% by weight be mixed to get a new kind of alloy containing 36% copper?

Q. एक नई तरह की मिश्र धातु प्राप्त करने के लिए जिसमें 36 % तांबा हो किस अनुपात में तीन मिश्र धातुएँ होनी चाहिए जिसमें तांबा 30%, 35%, और वजन के 40% हो।

Q. An alloy contains zinc, copper and tin in the ratio

2 : 3 : 1

and another alloy contains copper, tin and lead in the ratio

5 : 4 : 3.

If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be

Q. The alloy of copper and tin with a mass of

8

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

Q. In two alloys, copper and zinc are related in the ratio of 4 : 1 and 1 : 3 10 kg of 1st alloy, 16 kg of 2nd alloy and some of pure copper are melted together An alloy was obtained in which the ratio of copper to zinc was 3 : 2 Find the weight of the new alloy?

Q. The ratio of zinc, copper and tin in any alloy is 2:3:1, and in another alloy, the ratio of copper, tin and glass is 5:4:3. If in a new alloy both are taken in the same weight, then what will be the weight of glass per kg in the new alloy?

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