1.

Which of the following two reagents form silicates when react with silica `(SiO_(2))`?A. `NaCl` and `Na_(2)S`B. `NaOH` and `Na_(2)CO_(3)`C. `Na_(2)SO_(4)` and `NaNO_(3)`D. `NaBr` and `NaHSO_(4)`

Answer» Correct Answer - B
`SiO_(2)+2NaOHtoNa_(2)SiO_(3)+H_(2)O`
`SiO_(2)+Na_(2)CO_(3)toNa_(2)SiO_(3)+CO_(2)`


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