Question : German silver is an alloy of
Option 1: Copper, nickel and silver
Option 2: Silver ,copper and aluminium
Option 3: Zinc copper and nickel
Option 4: Zinc silver and copper
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Correct Answer: Zinc copper and nickel
Solution : The correct option is Zinc copper and nickel.
German silver, sometimes known as nickel silver, is a metal alloy comprised mostly of copper, zinc, and nickel. It does not contain silver, despite its name. Due to its appealing look, durability, and corrosion resistance, German silver is frequently used in the manufacturing of different ornamental objects, tableware, musical instruments (such as flutes and saxophones), jewellery components, and some industrial uses.
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Question : Bronze is an alloy of
Option 1: Copper and Tin
Option 2: Copper and Zinc
Option 3: Copper and Iron
Option 4: Iron and Nickel
Question : Bronze is an alloy of Which of the following?
Option 1: Copper and zinc
Option 2: Tin and Zinc
Option 3: Copper and Tin
Option 4: Iron and Zinc
Question : Electric fuse is an alloy of
Option 1: Tin and lead
Option 2: Zinc and lead
Option 3: Copper and iron
Option 4: Carbon and tin
Question : P and Q are two alloys of Aluminium and Copper. The ratios of Aluminium and Copper in P and Q are 5 : 11 and 3 : 5, respectively. If a third alloy is formed by mixing alloys P and Q in the ratio of 1 : 3, then Aluminium is what percentage (rounded off to the nearest integer) of the Copper in the third alloy?
Option 1: 63%
Option 2: 52%
Option 3: 48%
Option 4: 56%
Question : Earth's core is mainly made up of _____________.
Option 1: nickel and copper
Option 2: nickel and alumina
Option 3: nickel and iron
Option 4: nickel and magnesium
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