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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
- In blast furnace, iron oxide is reduced by
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- Nichrome metal alloy is a mixture of-
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- The naturally occurring chemical substances in the form of which metal...
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- Copper can be extracted from
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- Fill in the blanks- alloy is made up of 14% of manganese and 85% of ir...
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- Sulphide ores are concentrated by froth floatation process.
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- Copper can be extracted from
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- Choose the correct alternative : Pine oil is added in froth floatation...
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- Bell metal alloy is the mixture of-
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- Give appropriate answer of the given statement- Which alloy is made up...
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- Which is better reducing agent at temperature 983 K, C or Co?
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- Give appropriate answer for the following question- Solder is a mixtur...
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- Substances which convert infusible impurities Present in ores into fus...
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- In the electrorefining of copper,some gold is deposited as:
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- Collect the melting point of Ice
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- Calcination is the process of converting an ore into its oxide by heat...
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- Haematite is Fe2O3 / Fe3O4.
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- What is a mineral ? How does it differ from an ore ?
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- State and explain the terms flux and slag.
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- Give the formula of the ores : haematite and bauxite.
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