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Sodium chloride gives a golden yellow co...

Sodium chloride gives a golden yellow colour to the bunsen flame, which is due to

A

Sublimation of metallic sodium to give yellow vapour

B

Photosensitivity of sodium

C

Low ionization potential of sodium

D

Emission of excess of energy absorbed as a radiation in the visible region.

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The correct Answer is:
D
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AAKASH INSTITUTE-THE S-BLOCK ELEMENTS-Assignment (Section-A)
  1. Which one of the following ions has the largest size in aqueous soluti...

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  2. Which among the following is the strongest reducing agent?

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  3. Sodium chloride gives a golden yellow colour to the bunsen flame, whic...

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  4. Why lithium is kept wrapped in paraffin wax and not stored in kerosene...

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  5. Which of the following oxides is the most basic in nature?

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  6. Which among Na,K,Cs and Li forms most stable hydride?

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  7. Lithium and magnesium exhibit diagonal relationship because

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  8. Sodium sulphate is soluble in water,whereas barium sulphate is sparing...

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  9. Sodium carbonate can be manufactured by Solvay's process but potassium...

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  10. Which decomposes on heating-

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  11. Solvay process is used for the manufacture of

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  12. In the manufacture of sodium hydroxide by product obtained is

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  13. Sodium cannot be obtained by the electrolysis of aqueous solution of N...

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  14. Which of the following bicarbonate does not exist in solid state?

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  15. Which of the alkali metals has the polarizing power close to that of M...

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  16. In the preparation of sodium carbonate (Na(2)CO(3)) which of the follo...

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  17. Which of the following halides has the highest melting point-

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  18. The first ionization energies of alkaline earth metal are higher than ...

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  19. The most electronegative alkaline earth metal is

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  20. Which of the following electronic configuration in the outermost two s...

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