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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Which of the following exists as a dimer ?
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- Duralumin is an alloy of :
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- The alloy used in preparation of balance beam and light instruments:
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- Which of the following is pseudo alum :
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- Aluminium does not react with :
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- Which of the following statements about anhydrous aluminium chloride i...
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- Colemanite is a mineral of :
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- Which does not exist ?
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- Borax is prepared by treating colemanite with :
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- Which is used as disinfectant ?
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- Which contains two banana bonds ?
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- An aqueous solution of BCl3 is :
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- BF3 is an example of Lewis acid because it behaves as :
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- B-F bond order in BF3 is :
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- One that marks the paper like lead is :
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- Boric acid on heating at 150^@C gives :
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- The hybridisation of boron atom in orthoboric acid is :
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- Diborane reacts with water to from :
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- The element placed in the group 13 and 3rd period of the periodic tabl...
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- Conc.HNO3can be stored in container of :
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