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The main oxides formed on combustion of ...

The main oxides formed on combustion of Li,Na and K in excess of air respectively are

A

`Li_(2) O , Na O and KO_(2) `

B

`LiO_(2) ,Na_(2)O_(2) and K_(2)O`

C

`Ki_(2)O ,NaO_(2) and KO_(2)`

D

`Li_(2) O ,Na_(2) O_(2) and KO_(2)`

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The correct Answer is:
D
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TARGET PUBLICATION-S-BLOCK ELEMENTS-QUESTION
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  6. When washing soda is heated.

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  7. Baking soda is

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  8. As compared to potassium ,sodium has .

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  9. Which of the following has density greater than water?

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  10. Which one decomposes on heating

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  11. Which one of the following samples of metals can produduce the...

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  12. In which of the following the ratio of the sizes of cation to a...

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  13. The main oxides formed on combustion of Li,Na and K in excess of air r...

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  14. Suspension of slaked lime in water is known as

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  15. In context with beryllium, which one of the following statements is in...

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  17. Which of the following is most electropositive ?

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  18. An alkali metal (M ) reacts with ammonia to form amida (MNH(2))...

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  19. An element having electronic configuration is 1s^(2) 2s^(2) 2p^(6) 3s^...

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