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Anita coloured 3/8 of the circle with ye...

Anita coloured `3/8` of the circle with yellow colour and `4/8` of the circle with green colour. How much portion of circle did She colour?

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Chlorine water on standing loses its yellow colour due to the formation of HCl and HOCI.
`underset("yellow")(Cl_2 (aq)) + H_2 O to underset("Colourless")ubrace(HCl + HOCl)`
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
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  2. Write the balanced chemical equation for the reaction of CI2 with hot ...

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  3. Anita coloured 3/8 of the circle with yellow colour and 4/8 of the cir...

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  4. Name two poisonous gases which can be prepared from chlorine gas.

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  5. Give the reason for bleaching action of Cl2.

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  6. Bleaching of flowers by chlorine is permanent while that by sulphur di...

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  7. How can you prepare Cl2 from HCl and HCl from Cl2? Write reactions onl...

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  8. Write balanced equations for the following: NaCl is heated with sulphu...

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  9. Write balanced equations for the following: Chlorine gas is passed int...

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  10. Name the different oxoacids of halogens and draw their structure.

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  11. Explain why fluorine forms only one oxoacid, HOF.

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  12. Explain why perchloric acid is a strong acid than sulphuric acid.

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  13. Arrange HCIO, HBrO and HIO in order to decreasing acidic strength givi...

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  14. Compare the acidic strength of HClO4, HClO3, HClO2, HClO. Give reasons...

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  15. Arrange HCIO4 , HCIO3, HCIO2, HCIO in order of oxidizing power. Give r...

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  16. What are interhalogen compounds ? Give example.

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  17. What are the interhalogen compounds ? Why are these more reactive than...

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  18. Why ICI is more reactive than I2 ?

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  19. Why ClF3 exists, but FCl3 does not exist ?

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  20. Give important properties of magnets.

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