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प्रश्न
Give the uses of Borax.
उत्तर
Uses of borax:
- Borax is used for the identification of coloured metal ions.
- In the manufacture optical and borosilicate glass, enamels and glazes for pottery.
- It is also used as a flux in metallurgy and also acts as a good preservative.
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संबंधित प्रश्न
An aqueous solution of borax is ____________.
Which among the following is not a borane?
Match items in Column – I with the items of Column – II and assign the correct code.
Column – I | Column – II |
A. Borazole | 1. B(OH)3 |
B. Boric acid | 2. B3N3H6 |
C. Quartz | 3. Na2[B4O5(OH)4]8H2O |
D. Borax | 4. SiO2 |
The compound that is used in nuclear reactors as protective shields and control rods is ____________.
Complete the following reaction.
\[\ce{B2H6 + 2NaOH + 2H2O ->}\]
Complete the following reaction.
\[\ce{B2H6 +CH3OH ->}\]
How will you identify borate radical?
How will you convert boric acid to boron nitride?
A hydride of 2nd period alkali metal (A) on reaction with a compound of Boron (B) to give a reducing agent (C). identify A, B and C.
A double salt which contains fourth-period alkali metal (A) on heating at 500 K gives (B). aqueous solution of (B) gives white precipitate with BaCl2 and gives a red colour compound with alizarin. Identify A and B.