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What is the formula of gypsum? What happ...

What is the formula of gypsum? What happens when it is heated?

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OSWAAL PUBLICATION-Sample Paper 4-Exercise
  1. Calculate the formal charge on underlined element in the given cpecies...

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  2. Calculate the formal charge on underlined element in the given cpecies...

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  3. What is the formula of gypsum? What happens when it is heated?

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  4. What is the heating action on orthoboric aicd?

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  5. Write the possible isomers of Pentane

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  6. Give an example of aromatisation reaction.

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  7. How could green chemistry help to reduce pollution (Write two point.)

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  8. Explain any three features that affect the ionisation enthalpy.

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  9. Define dipole moment.Write any two applications of dipole moment.

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  10. Write any three main features of the VSEPR theory.

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  11. Draw energy level diagram of He2^+ ion.Calculate its bond order and it...

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  12. Balance the followng equation in basic medium by ion-electron method:P...

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  13. Complete the followng reactions: C3H8(g)+3H2O(g)overset(Heat)underset(...

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  14. Complete the followng reactions: CO(g)+H2(g) overset (Delta)underset (...

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  15. Complete the followng reactions: CaC2+2H2O rarr

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  16. Give the suitable reasojn for the following statements: A solution of ...

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  17. Give the suitable reasojn for the following statements: Alkali metals ...

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  18. Give the suitable reasojn for the following statements: Sodium is fou...

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  19. State as why : Conc.HNO3 can be transported in aluminium container.

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  20. State as why : Graphite is used as lubricant.

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