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CHEMISTRY

Chemistry
Stainless steel is usually made by alloying the steel with

Copper and nickel
Copper and chromium
Manganese and copper
Chromium and nickel

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Chemistry
An alloy used in making heating elements for electric heating device is

German Silver
Solder
Alloy Steel
Nichrome

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Chemistry
Which of the following is an iron ore ?

Bauxite
Magnetite
Lignite
Nitrite

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Chemistry
The important metal used with iron to produce stainless steel is

Tin
Aluminium
Carbon
Chromium

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Chemistry
Which of the following metals form an amalgam with other metals ?

Tin
Lead
Mercury
Zinc

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