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#1 | Different Steps Involved in Metallurgy:I
(Chemistry) > General Principles and Processes of Isolation of Elements

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High purity copper metal is obtained by:

1. Carbon reduction

2. Hydrogen reduction

3. Electrolytic reduction

4. Thermite process

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Aluminothermic process is used for the extraction of metals, whose oxides are:

1. fusible

2. not easily reduced  by carbon

3. not easily reduced by hydrogen

4. strongly basic

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Purest form of iron is:

1. cast iron

2. hard steel

3. stainless steel

4. wrought iron

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Thomas slag is:

1. calcium silicate

2. calcium  phosphate

3. tricalcium phosphate and calcium silicate

4. calcium ammonium phosphate

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Corundum is:

1. SrO2

2. Al2O3

3. CaCl2

4. Cu2Cl2

 

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