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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- inert gas is most abundant in air.
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- Oxygen is -------.
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- Oxygen molecule is having even number of electrons but is paramagnetic...
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- Tailing of mercury is due to formation of .
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- O2 is absorbed by lime water. Is it true or false?
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- O3 is absorbed by caustic soda.is it true or false ?
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- All halogens are colourless.Is It Correct?
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- F2 is least reactive halogen.is it true or false?
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- Iodine is more soluble in KI than in water,why?
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- ClO4^- is the strongest base.is it true or false?
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- HI gives white precipitate with AgNO3.is it true or false?
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- Which of the noble gases is radioactive ?
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- XeF6 has what geometry.
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- Hybridisation of Xe in XeF4, is
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- XePtF6 (yellow solid) was prepared by J.Thomson. true/false
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- XeF4 has tetrahedral shape.is it true or false ?
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- In the ring test for nitrate, which complex compound is formed?
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- What happens when concentrated sulphuric acid is added to formic acid ...
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- What is aquaregia ? How is it formed ?
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- What happens when ammonium chloride is heated with slaked lime?
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