Q1.
XeF4 on partial hydrolysis produces
Q2.
Number of unpaired electrons in inert gas is
Q3.
The element which has not yet been reacted with F2 is
Q4.
The most abundant inert gas in the atmosphere is
Q5.
The number of lone pair of electrons present on Xe in XeF2 is
Q6.
Which of the following is the life saving mixture for an asthma patient?
Q7.
Noble gases are group of elements, which exhibit very
Q8.
XeF6 on complete hydrolysis gives
Q9.
The correct order of solubility in water for He, Ne, Ar, Kr, Xe is
Q10.
The noble gas was first time discovered by
Q11.
Noble gases don't occur in
Q12.
B.Pt. and M.Pt. of inert gases are
Q13.
The most volatile of all liquids is
Q14.
The mixture of noble gases is separated by
Q15.
Monazite is a source of
Q16.
The gas that surrounds a radioactive element is
Q17.
When electric discharge is passed through neon at low pressure, the colour of the glow is
Q18.
The noble gas mixture is cooled in a coconut bulb at 173 K. The gases that are not adsorbed are
Q19.
Which noble gas is most abundant in atmosphere?
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Q20.
Sea divers use mixture of He and O2 because
📅BPKIHS 2006
Q21.
Which of the following gas is used in conducting tube of tube light for colouring purpose?
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Q22.
Which of the following is most reactive?
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Q23.
What is formed when xenon combines with fluorine in presence of mercury vapour?
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Q24.
The coloured discharge tube for advertisement mainly contains
📅MOE
Q25.
Which gas is used to fill the electric bulbs/tubes?
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Q26.
When the mineral clevite is heated, it gives off the inert gas
Q27.
The noble gas whose ionization enthalpy is closest to that of oxygen is
Q28.
Which of the following is an explosive compound?
Q29.
The noble gas which forms interstitial compounds is
Q30.
Which radioactive element is inert gas?
Q31.
Which of the following gases is not polarisable?
Q32.
Shape of XeF4 molecule is