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Explain the following : H3PO2 and H3PO3 ...

Explain the following : `H_3PO_2` and `H_3PO_3` act as good reducing agent while `H_3PO_4` does not.

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MODERN PUBLICATION-MOCK TEST 01-EXERCISE
  1. Account for the following facts : The reduction of Cr2O3 with Al is th...

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  2. Why is pine oil used in froth floatation method?

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  3. Explain the following : H3PO2 and H3PO3 act as good reducing agent whi...

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  4. All the five bonds in PCl5 are not equivalent justify.

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  5. Express 929 in roman numbers.

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  6. Explain- Cows, buffaloes, goats are reared for -

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  7. Express 928 in roman numbers.

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  8. For an elementary reaction : 2A + B rarr 3C the rate of appearance of ...

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  9. Aqueous copper sulphate solution (blue in colour) gives : (i) a green ...

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  10. Explain- Fish, pigs, Chicken are reared for-

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  11. Which will have a higher boiling point? 1-Chloro ethane or 2-methyl-2...

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  12. Explain- Sheep are reared for-

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  13. Complete the following statement- The three products provided by anima...

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  14. Draw the pyranose structure of alpha-D-glucose.

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  15. Complete the following statement- Three products provided by plants ar...

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  16. Complete the following statement- Examples of kharif crops are-

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  17. Give appropriate reason for the given statement- We should eat cooked ...

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  18. Give a brief information about the following term- Bronze.

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  19. What are thermosetting and thermoplastic polymers ? Give one example o...

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  20. The monomers of Buna-S are

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