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Calcium nitrate decomposes on heating ac...

Calcium nitrate decomposes on heating according to the equation :
`2Ca(NO_3)_(2)to2CaO+4NO_(2)+O_(2)`
The relative molecular mass of calcium nitrate is 164. Calculate :
the weight of calcium oxide obtained when 16.4 g of calcium nitrate is heated to constant weight. `(Ca = 40, O = 16, N = 14) `

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`2Ca(NO_3)_2 (s) overset(Delta)to 2CaO(s) + 4NO_2(g) + O_2(g)`
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ICSE-THE s - BLOCK ELEMENTS-NCERT TEXT-BOOK. EXERCISES (WITH HINTS AND SOLUTIONS)
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  2. What happens when chlorine reacts with slaked lime?

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  4. Describe two important uses of each of the following: (i) caustic soda...

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  5. Describe two important uses of each of the following: (i) caustic soda...

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  6. Describe two important uses of each of the following: (i) caustic soda...

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

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

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  9. The hydroxides and carbonates of sodium and potassium are easily solub...

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  10. Describe the importance of the following: limestone.

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  11. Describe the importance of the following: (i) limestone (ii) cement (i...

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  12. Describe the importance of the following: (i) limestone (ii) cement (i...

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  13. Why are lithium salts commonly hydrated and those of the other alkali ...

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  14. Why is LiF almost insoluble in water whereas LiCl soluble not only in ...

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  15. Explain the significance of sodium, potassium, magnesium and calcium i...

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  16. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  17. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  18. What happens when (i) sodium metal is dropped in water? (ii) sodiu...

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  19. The mobilities of the alkali metal ions in aqueous solution are Li^(+)...

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  20. Comment on each of the following observations: (a) The mobilities of...

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