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MODERN PUBLICATION-GROUP 16 ELEMENTS-EXCERCISE
- What happens when: H2S gas is passed through CuSO4 solution.
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- Write some uses of sulphur dioxide.
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- What is Oleum ? Write its formula.
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- Write various oxidation states of sulphur.
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- Give one reaction in which H2SO4acts as a dehydrating agent .
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- Which have high boiling points:
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- Boron differs from the other members of group 13 because it :
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- What is the bond angle in the molecule of ammonia ?
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- Why SO2 gas cannot be collected over water?
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- Write two uses of Helium.
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- What is the bond angle between two hybrid bonds in sp hybridisation ?
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- Sulphur in SO2 is :
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- Explain green house effect.
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- BiCl(3), is more stable than BiCl(5) Why?
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- Oxygen is gas but sulphur is solid because:
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- What is allotropy ?
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- What is the action of conc. H2SO4 on potassium bromide? Give equation.
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- What is shape of O3 molecule ?
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- Write the structure of XeO(2)F(2) molecule .
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- Ozone is tested by
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