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Explain the cause of chemical similarity...

Explain the cause of chemical similarity between the compounds of Nb and Ta.

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2016-EXERCISE
  1. State what happens when a solid mixture of KCI and K2Cr2O7 is heated w...

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  2. Write the number of unpaired electron (s) present in Na2[FeO4] [Atomic...

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  3. Explain the cause of chemical similarity between the compounds of Nb a...

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  4. What will happen when bromomethane reacts with an aqueous solution of ...

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  5. What will happen when bromomethane reacts with an aqueous solution of ...

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  6. What will happen when chlorobenzene reacts with a mixture of conc. HNO...

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  7. Identify A, B, C, D, E and F in the following reactions.

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  8. Identify A, B, C, D, E and F in the following reactions.

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  9. An organic compound A(C2H6O) reacts with sodium to form compound B and...

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  10. Arrange the following compounds in decreasing order of their basicity:

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  11. Write the arrow-head equation for the following reactions: Aniline is ...

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  12. Write the organic products in the following reactions:

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  13. Write the organic products in the reaction : RCN underset("Dry ethe...

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  14. What is the polysaccharide? Explain with and example

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  15. What is meant by primary structure of a protein?

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  16. What is meant by zero order reaction ? What is the rate constant of su...

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  17. Write down the Arrhenius equation relating the rate constant of reacti...

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  18. Explain why moist chlorine can bleach dry coloured articles but dry ch...

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  19. Write down the structure of SO2 and state with reason whether it is p...

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  20. Write down the name and formula of the stable paramagnetic allotrope a...

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