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What is hypo?...

What is hypo?

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**Step-by-Step Solution:** 1. **Definition of Hypo:** - Hypo is commonly known as sodium thiosulphate. 2. **Chemical Formula:** - The chemical formula for sodium thiosulphate is Na2S2O3, not Na2H2O3 as mentioned in the transcript. This is an important correction to note. ...
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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Which element of group 16 has maximum tendency for catenation ?

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  2. Ionisation enthalpy of nitrogen is more than oxygen because of

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  3. What is hypo?

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  4. Sodium thiosulfate is a salt of which acid ?

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  5. Give one method of preparation of sodium thiosulfate.

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  6. Which form of sulphur shows paramagnetic behaviour ?

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  7. What are allotropes of sulfur?

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  8. What do you understand by (a) inert pair effect (b) allotropy and (c...

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  9. What is oleum ? What is the oxidation state of sulfur in it?

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  10. What property of conc. H2SO4 is made use of in each of the following c...

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  11. Give reason why? Conc. H(2)SO(4) is not a drying agent for H(2)S?

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  12. What happens when ozone reacts with KI solution?

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  13. Why a black suspension of lead (II) sulfide in water turns white when ...

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  14. What happens when ozone and hydrogen peroxide are allowed to react wit...

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  15. What is tailing of mercury ?

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  16. What is ozonolysis ?

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  17. Why is O-O bond length in ozone (128 pm) more than in O2 (122 pm)?

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  18. Why ozone is used in improving the atmosphere of crowded places such a...

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  19. Write balanced chemical equations for the preparation of SO2 from a s...

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  20. Why quicklime is not used for drying SO2?

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