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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
- What happens when copper turnings are heated with conc. H2SO4 ?
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- Explain why SO2 is more powerful reducing agent in alkaline medium tha...
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- In contact process SO3 is not directly dissolved in water, explain why...
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- How does hydrofluoric acid react with sand ?
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- What happens when Zinc metal is treated with dilute H2SO4 ?
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- Explain that bleaching action of CL2 is permanent, while that of SO2 i...
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- Explain that bleaching action of CL2 is permanent, while that of SO2 i...
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- What happens when SO2gas is passed through lime water first slowly and...
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- How does Ozone react with KI solution ?
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- Write the shapes and type of hybridisation of the following molecules ...
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- How does ozone react with SnCl2
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- How does Ozone react with KI solution ?
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- What is the action of ozone on hydrogen peroxide ?
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- What happens when XeF6 is heated with water ?
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- Write all the noble gases. Why don't they enter into chemical combinat...
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- Give two reactions of fluorine, one with metal and other with nonmetal...
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- How can you prepare xenon hexafluoride ?
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- How does ozone react with moist iodine?
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- What does H2SO4 behave when it reacts with formic acid?
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- Explain why a blue litmus dipped into a solution of hypochlorous acid ...
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