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NARAYNA-18TH GROUP ELEMENTS-LEVEL - I (H.W)
- The valency is zero for
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- The atomicity of neon gas is
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- Which of the following gaseous molecules is monoatomic ?
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- Which one of the following noble gases is not found in atmoshphere?
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- The first noble gas compound prepared by Bartlett is
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- Number of unpaired electrons in inert gas is
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- Helium is subjected to electrical discharge. The following species is ...
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- The spectrum of He is expected to be similar to that of
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- The gas that gives superfluid on cooling at 2.2K is
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- Viscosity is very low for
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- Which of the following statement is not correct for a noble gas ?
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- Inversion temperature of helium is very low. So when helium is allowed...
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- Which of the following is a product in the explosion of hydrogen bomb ...
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- The lightest, non-inflammable gas is
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- Which of the following compound cannot be prepared ?
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- The shape of XeO(3) molecule is
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- XeF(2) molecule is
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- If N(2) gas is dissolved in the blood, it causes
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