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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- An element X has the electronic configuraiton 2,8,8,2. ON the basis of...
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- Write the names of two oxides which are neither acidic nor basic?
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- What type of oxides are formed when non-metals combine with oxygen?
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- Which of the following elements would give acidic oxide? K,P,Na or H
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- An element M forms an oxide M2O3. Which is acidic in nature. State whe...
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- Which reducing agent is used for the reduction of alumina?
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- Which process is used for the enrichment of suphide ore.explain in bri...
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- What chemical process is used for obtaining a metal from its oxide?
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- What chemical process is used for obtaining a metal from its oxide?
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- The most abundant element in the earth's crust is:
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- Fill ups The minerals from which metals are produced economically are ...
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- Fill ups The process involvd in the production of a metal from the ore...
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- For the reduction of a metallic oxide, suggest a reducing agent cheape...
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- Which of the following ores are concentrated by froth floation ?
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- Give the name of one metal each occuring as: carbonate.
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- Give the name of one metal each occuring as: oxide?
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- Give the name of one metal each occuring as: sulphide?
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- Give the name of one metal each occuring as: halide.
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- Name two metals which are found in nature the free state.
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- The rockey material found with ores is known as…………….
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