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Answer the following statement in one wo...

Answer the following statement in one word- In aviation engineering, a special alloy is used to make the structures of aeroplanes and aircrafts.

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. How will ozone oxidise the following : Copper sulphide to copper sulph...

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  2. How will ozone oxidise the following : Potassium manganate to potassiu...

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  3. Answer the following statement in one word- In aviation engineering, a...

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  4. Answer the following question in on word- Name one alloy which is made...

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  5. Which are the two food sources that contain carbohydrate in them?

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  6. Why is H3PO3 diprotic in nature ? Draw structure.

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  7. Why is HNO2 not stable.

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  8. Complete the following reaction : NaOH (hot, conc.) + Cl2(g) rarr

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  9. Explain- Composition of ammonal.

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  10. Complete the following reaction : NH3+ Cl2 (excess) rarr

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  11. Answer the following question in one word- A mixture of solution of co...

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  12. When HCI reacts with finely powdered iron, it forms ferrous chloride a...

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  13. What are interhalogen compounds ? Give example.

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

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  15. Draw structure of HClO4.

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  16. Why noble gases have very high values of ionisation enthalpies?

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  17. Why are halogens strong oxidising agents?

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  18. Answer the following question- What are leukocytes?

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  19. Give the preparation, hybridisation and structure of XeF4 (XenonTetraf...

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  20. Why is helium used in diving apparatus?

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