Colour of the bead in borax bead test is mainly due to the formation of
Colour of the bead in borax bead test is mainly due to the formation of
- A
metal oxides
- B
boron oxide
- C
metal metaborates
- D
elemental boron
Similar Questions
What is not true about borax ?
What is not true about borax ?
A certain salt $X$, gives the following results.
$(i)$ Its aqueous solution is alkaline to litmus.
$(ii)$ It swells up to a glassy material $Y$ on strong heating.
$(iii)$ When conc. $H_2SO_4$ is added to a hot solution of $X$, white crystal of an acid $Z$ separates out.
Write equations for all the above reactions and identify $X, Y$ and $ Z$.
A certain salt $X$, gives the following results.
$(i)$ Its aqueous solution is alkaline to litmus.
$(ii)$ It swells up to a glassy material $Y$ on strong heating.
$(iii)$ When conc. $H_2SO_4$ is added to a hot solution of $X$, white crystal of an acid $Z$ separates out.
Write equations for all the above reactions and identify $X, Y$ and $ Z$.
The possible oxidation state of $Tl$ are
The possible oxidation state of $Tl$ are
Which one of the following statements is not true regarding diborane ?
Which one of the following statements is not true regarding diborane ?
In Goldschmidt aluminothermic process, thermite contains
In Goldschmidt aluminothermic process, thermite contains