Which of the following statements about the interstitial compounds is incorrect?
They retain metallic conductivity
They are chemically reactive
They are much harder than the pure metal
They have higher melting points than the pure metal
Additional Questions
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In blast furnace, iron oxide is reduced by |
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Which one of the following ions exhibits colour in aqueous solution |
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Cyanide process is used for extraction of |
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Among the following, the coloured compound is |
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In the electrolytic refining of Zinc, ______. |
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A red solid is insoluble in water. However, it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is |
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The outer electron configuration of Gd (Atomic number: 64) is: |
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Anhydrous ferric chloride is prepared by |
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Identify the ore not containing iron |
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Heating mixture of Cu2O and Cu2S will give |
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