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On moving down a subgroup in the Modern ...

On moving down a subgroup in the Modern Periodic Table:

A

Metallic character- decreases

B

No. of electron shells - remain same

C

Valence electrons - increase by one

D

Valence electrons - remain same

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ICSE-MODEL PAPER-2-SECTION-II
  1. On moving down a subgroup in the Modern Periodic Table:

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  2. State your observations in each of the following: 1,2, dibromoetha...

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  3. State your observations in each of the following: Ammonium sulphate...

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  4. State your observations in each of the following: Lead nitrate sol...

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  5. State your observations in each of the following: At the electrode...

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  6. State your observations in each of the following: Ammonium hydroxi...

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  7. State the metal/s generally common in the following alloys: Bronze...

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  8. State the metal/s generally common in the following alloys: Duralu...

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  9. State the metal/s generally common in the following alloys: Brass ...

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  10. Give balanced equations for the following laboratory preparations: ...

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  11. Give balanced equations for the following laboratory preparations: ...

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  12. Study the figure given alongside & answer the questions that follow: ...

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  13. Study the figure given alongside & answer the questions that follow: ...

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  14. Study the figure given alongside & answer the questions that follow: ...

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  15. Draw the electron dot diagram to show the formation of a stable positi...

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  16. State the condition/s required for the following conversion reactions ...

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  17. State the condition/s required for the following conversion reactions ...

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  18. State the condition/s required for the following conversion reactions ...

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  19. State the condition/s required for the following conversion reactions ...

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  20. State the condition/s required for the following conversion reaction t...

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  21. Give the structural formula of the following: 1,2, dibromoethene.

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