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Which of the following compound is forme...

Which of the following compound is formed in borax bead test ?

A

Orthoborate

B

Metaborate

C

Double oxide

D

Tetraborate

Text Solution

Verified by Experts

The correct Answer is:
B
Borax bead contains sodium metaborate and boric anhydride
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GRB PUBLICATION-SALT ANALYSIS-B. Dry Tests/Colour/Solubility/Heating Effects
  1. The compound present in borax bead is:

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  2. Which one of the following ions does not give borax bead test :

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  3. Which of the following compound is formed in borax bead test ?

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  4. A pink coloured salt turns blue on heating. The presence of which cati...

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  5. Which anion forms the smallest number of insoluble salts?

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  6. What is the colour of the flame test for sodium?

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  7. Which salt is significantly more soluble in a strong acid than in wate...

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  8. Solutions of which ion produce a red colour when vaporized in a Bunsen...

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  9. A solid is insoluble in water, does not conduct electricity, and does ...

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  10. Which compound forms a colourless solution when dissolved in H(2)O?

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  11. When phenolphthalein is added to an aqueous solution containing one of...

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  12. Which solute has the greatest solubility (in mol/L) in water at 25^(@)...

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  13. Which solid is much more soluble in 1MHCI than in H(2)O?

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  14. A metal dissolves in dilute HCI in the absence of air to form a pale g...

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  15. A sample of white solid is known to be NaHCO(3), AgNO(3),Na(2)S, or Ca...

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  16. A metal dissolves in 3.0M NaOH solution with evolution of gas to form ...

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  17. Which metal reacts most vigorously with water ?

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  18. Each of the following forms a coloured aqueosu solution except:

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  19. The aqueous solution of the following salts will be coloured in the ca...

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  20. The cation of the metal, which gives gree colour bead in cobalt charco...

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