Metallurgy MCQ Practice Bits

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01 The ore of mercury among the following is 1. bauxite 2. haematite 3. galena 4. cinnabar

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02 The furnace in which smelting is carried out is 1. reverberatory furnace 2. blast furnace 3. open hearth furnace 4. retort furnace

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03 If the gangue is acidic, the flux used is 1. SiO2 2. So2 3. CaO 4. Co2

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04 The substance added to remove the impurity is 1. flux 2. fuel 3. gangue 4. slag

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05 The gas released in calcination is 1. No2 2. So2 3. Co2 4. O2

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06 The ore of iron is 1. carnallite 2. dolomite 3. bauxite 4. haematite

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