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What are the characteristic colours impa...

What are the characteristic colours imparted by the II A elements?

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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-THE S-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Write the complete electronic configuretion of any two alkaline metals...

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  2. Tell about the variation of m. pts., and b.pts among the alkaline eart...

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  3. What are the characteristic colours imparted by the II A elements?

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  4. What happens when magnesium metal is burnt in air?

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  5. Lithium carbonate is not so stable to heat as the other alkali metal c...

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  6. Write a balanced equation for the formation of ammoniated IIA metal io...

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  7. The fluorides of alkaline earth metals are relatively less soluble tha...

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  8. What happens when hydrated Mg(NO3)(2) is heated? Give the balanced equ...

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  9. Why does the solubility of alkaline earth metal hydroxides in water in...

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  10. Why does the solubility of alkaline earth metal carbonates and sulphat...

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  11. Write the average composition of Portland cement.

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  12. Why is gypsum added to cement?

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  13. Why are alkali metals not found in the free state in nature?

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  14. Potassium carbonate cannot be prepared by Solvey process. Why?

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  15. Describe the important uses of caustic soda.

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  16. Describe the important uses of sodium carbonate.

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  17. Describe the important uses of quick lime.

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  18. Draw the structure of (i) BeCl(2) (vapour) and (ii) BeCl(2) (solid).

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  19. Describe the importance of Plaster of Paris.

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  20. Which of the alkaline earth metal carbonate is thermally the most stab...

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