Give uses of Borax.
(N/A) Borax $(Na_2B_4O_7 \cdot 10H_2O)$ is used as a flux for soldering metals.
It is also used for making heat,scratch,and stain-resistant glazed coatings on earthenwares and pottery.
It is also used for making heat,scratch,and stain-resistant glazed coatings on earthenwares and pottery.
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Which one of the following oxides dissolves in both hydrochloric acid and sodium hydroxide?
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View SolutionAluminium chloride exists as a dimer,$Al_2Cl_6$,in the solid state as well as in solutions of non-polar solvents such as benzene. When dissolved in water,it gives:
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View SolutionWhich one of the following statements is not correct?
Match the following:
Column $I$ Column $II$ $A$. $Bi^{3+} \longrightarrow (BiO)^{+}$ $P$. Heat $B$. $[AlO_2]^{-} \longrightarrow Al(OH)_3$ $Q$. Hydrolysis $C$. $SiO_4^{4-} \longrightarrow Si_2O_7^{6-}$ $R$. Acidification $D$. $(B_4O_7^{2-}) \longrightarrow [B(OH)_3]$ $S$. Dilution by water
| Column $I$ | Column $II$ |
| $A$. $Bi^{3+} \longrightarrow (BiO)^{+}$ | $P$. Heat |
| $B$. $[AlO_2]^{-} \longrightarrow Al(OH)_3$ | $Q$. Hydrolysis |
| $C$. $SiO_4^{4-} \longrightarrow Si_2O_7^{6-}$ | $R$. Acidification |
| $D$. $(B_4O_7^{2-}) \longrightarrow [B(OH)_3]$ | $S$. Dilution by water |
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