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Unknown salt + AI-powder +NaOH (conc) ra...

Unknown salt `+` AI-powder `+NaOH` (conc) `rarr` Gas comes out which Nessler's reagent brown. The salt may be:

A

`NaNO_(2)`

B

`NaNO_(3)`

C

`NH_(4)CI`

D

`NH_(4)HCO_(3)`

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The correct Answer is:
A, B, C, D
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GRB PUBLICATION-SALT ANALYSIS-Multiple Objective Type
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  7. Which of the following metal carbonate will give of metal and oxygen o...

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  8. Select the correct statements:

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  9. When Ag(2)CO(3) is heated then product will be:

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  10. When compound A (orange red) is heated then green coloured oxide of (B...

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  11. Which of the following hydrated salts will not become anhydrous on hea...

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  12. Which of the following metal nitrate produce NO(2) on heating?

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  13. Which of the following oxides turns yellow on heating and becomes whit...

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  14. A compound gives 'X' gas on addition of dilute HCI. The gas 'X', when ...

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  15. Which of the following anion(s) gives white ppt. with CaCI(2) in aqueo...

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  16. Which of the following reagent(s) form ppt. with Na(2)CO(3)?

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  17. The precipitate of Ag(2)CO(3) dissolve in:

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  18. Which of the following interfering radicals form volatile product with...

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  19. When salt solution 'A' is treated with dilute HCI it gives off gas 'B'...

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  20. Observe the following experiment. The correct statement about set...

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