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प्रश्न
Which of the following statements is not correct?
विकल्प
Beryl is a cyclic silicate
Mg2SiO4 is an orthosilicate
\[\ce{SiO4^{4-}}\] is the basic structural unit of silicates
Feldspar is not aluminosilicate
उत्तर
Feldspar is not aluminosilicate
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संबंधित प्रश्न
An aqueous solution of borax is ____________.
Which of the following metals has the largest abundance in the earth’s crust?
In diborane, the number of electrons that accounts for banana bonds is ____________.
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 |
Duralumin is an alloy of ____________.
Complete the following reaction.
\[\ce{B2H6 + 2NaOH + 2H2O ->}\]
Complete the following reaction.
\[\ce{BF3 + 9H2O ->}\]
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.
