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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
- Manganese steel contains:
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- Iron is rendered passive in concentrated :
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- Wroughtiron is :
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- Platinum , palladium , iridium , etc are called noble metals because:
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- Which of the following is a ferrous alloy ?
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- The raw materials fed into the blast furnace for making iron are :
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- A clock spirng is heated to a high temperature and then suddenly pluge...
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- The process of covering iron sheet with a layer of zinc is called:
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- Which form of iron has lowest percentage of carbon ?
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- A substance which is not paramagnetic is :
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- Galvanization means:
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- Substances which do not react with cold water but react with steam are...
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- The following reaction describes the rusting of iron , 4Fe + 3O2 rarr ...
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- Which is formed when FeSO4 reacts with an oxidising agent ?
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- Iron sheets are galvanized mainly to :
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- Correct formula of patassium ferrocyanide is :
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- Correct formula of potassium ferricyanide is :
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- Which metal corrodes readily in moist air ?
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- The colour of Mohr's salt, (NH4)2SO4 Fe(SO4).6H2O is :
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- Which is not an ore of iron ?
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