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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
- Which is used as substitute for platinum in jewellery?
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- Oxygen is absorbed by molten Ag, which is evolved on cooling and the s...
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- Common oxidation state of element of atomic number 47 is:
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- The material used for the lining of Bessemer' s converter in the extra...
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- The matte obtained in the extraction of copper contains:
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- The chemical formula of azurite is:
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- Cuprous salts are generally colourless while cuprous oxide is:
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- A black sulphide is obtained by action of H2S on:
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- AuCl3 when heated in air gives:
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- From sodium aurocyanide Na[Au(CN)2], gold can be precipitated by addin...
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- Which substance can be used in the preparation of marking ink?
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- Which is used for electrical purposes:
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- Paris green is:
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- Rio Tinto process is used for extraction of:
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- Silver nitrate solution is kept in brown bottles in laboratory because...
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- Mac Arthur and Forest cyanide process in used in the extraction of:
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- The co-ordination number of copper in the complex formed by adding exc...
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- Ruby copper is:
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- Which method is based on distribution law ?
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- Which of the following compounds is expected to be coloured ?
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