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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- The forces of cohesion in liquid helium are:
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- Which characterstics of zero group elements is common
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- The word argon means
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- Electron affinity for a noble gas is approximately equal to:
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- First stable compound of inert gas was prepared by:
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- The inert gas obtained from monazite sand is:
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- The solubility of noble gas in water increases with the increase in:
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- Which statement is not correct
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- In solid state xenon atoms are held together by :
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- The most polarisable boble gas is:
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- The symbol Rn represents
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- The m.pt. and b.pt. is lowest for
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- The inert gases present in the atmosphere are:
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- The first noble gas compound obtained was
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- Welding of magnesium can be done in an atmosphere of:
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- The noble gas used in the preparation of first noble gas compound was:
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- Which noble gas does not form clathrates:
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- The sources of most of the noble gases is:
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- Radon is a noble gas. It is radioactivity is used in the treatment of:
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- How many lone pairs are associated with xenon in xenon difluoride :
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