37572 \(10.0\, ml\) of \(Na _{2} CO _{3}\) solution is titrated against \(0.2\, M\, HCl\) solution. The following titre values were obtained in \(5\) readings.\(4.8 \,ml , 4.9 \,ml , 5.0\, ml , 5.0\, ml\) and \(5.0\, ml\)Based on these readings, and convention of titrimetric estimation of concentration of \(Na _{2} CO _{3}\) solution is .... \(mM\)(Round off to the Nearest integer)

37573 \(0.4 \,g\) mixture of \(NaOH , Na _{2} CO _{3}\) and some inert impurities was first titrated with \(\frac{ N }{10} HCl\) using phenolphthalein as an indicator, \(17.5\, mL\) of \(HCl\) was required at the end point. After this methyl orange was added and titrated. \(1.5\, mL\) of same \(HCl\) was required for the next end point. The weight percentage of \(Na _{2} CO _{3}\) in the mixture is ...........(Rounded-off to the nearest integer)

37574 During halogen test, sodium fusion extract is boiled with concentrated \(HNO _{3}\) to ... .

37575 Phenolic group can be identified by a positive:

37576 A reagent which gives brilliant red precipitate with Nickel ions in basic medium is

37572 \(10.0\, ml\) of \(Na _{2} CO _{3}\) solution is titrated against \(0.2\, M\, HCl\) solution. The following titre values were obtained in \(5\) readings.\(4.8 \,ml , 4.9 \,ml , 5.0\, ml , 5.0\, ml\) and \(5.0\, ml\)Based on these readings, and convention of titrimetric estimation of concentration of \(Na _{2} CO _{3}\) solution is .... \(mM\)(Round off to the Nearest integer)

37573 \(0.4 \,g\) mixture of \(NaOH , Na _{2} CO _{3}\) and some inert impurities was first titrated with \(\frac{ N }{10} HCl\) using phenolphthalein as an indicator, \(17.5\, mL\) of \(HCl\) was required at the end point. After this methyl orange was added and titrated. \(1.5\, mL\) of same \(HCl\) was required for the next end point. The weight percentage of \(Na _{2} CO _{3}\) in the mixture is ...........(Rounded-off to the nearest integer)

37574 During halogen test, sodium fusion extract is boiled with concentrated \(HNO _{3}\) to ... .

37575 Phenolic group can be identified by a positive:

37576 A reagent which gives brilliant red precipitate with Nickel ions in basic medium is

37572 \(10.0\, ml\) of \(Na _{2} CO _{3}\) solution is titrated against \(0.2\, M\, HCl\) solution. The following titre values were obtained in \(5\) readings.\(4.8 \,ml , 4.9 \,ml , 5.0\, ml , 5.0\, ml\) and \(5.0\, ml\)Based on these readings, and convention of titrimetric estimation of concentration of \(Na _{2} CO _{3}\) solution is .... \(mM\)(Round off to the Nearest integer)

37573 \(0.4 \,g\) mixture of \(NaOH , Na _{2} CO _{3}\) and some inert impurities was first titrated with \(\frac{ N }{10} HCl\) using phenolphthalein as an indicator, \(17.5\, mL\) of \(HCl\) was required at the end point. After this methyl orange was added and titrated. \(1.5\, mL\) of same \(HCl\) was required for the next end point. The weight percentage of \(Na _{2} CO _{3}\) in the mixture is ...........(Rounded-off to the nearest integer)

37574 During halogen test, sodium fusion extract is boiled with concentrated \(HNO _{3}\) to ... .

37575 Phenolic group can be identified by a positive:

37576 A reagent which gives brilliant red precipitate with Nickel ions in basic medium is

37572 \(10.0\, ml\) of \(Na _{2} CO _{3}\) solution is titrated against \(0.2\, M\, HCl\) solution. The following titre values were obtained in \(5\) readings.\(4.8 \,ml , 4.9 \,ml , 5.0\, ml , 5.0\, ml\) and \(5.0\, ml\)Based on these readings, and convention of titrimetric estimation of concentration of \(Na _{2} CO _{3}\) solution is .... \(mM\)(Round off to the Nearest integer)

37573 \(0.4 \,g\) mixture of \(NaOH , Na _{2} CO _{3}\) and some inert impurities was first titrated with \(\frac{ N }{10} HCl\) using phenolphthalein as an indicator, \(17.5\, mL\) of \(HCl\) was required at the end point. After this methyl orange was added and titrated. \(1.5\, mL\) of same \(HCl\) was required for the next end point. The weight percentage of \(Na _{2} CO _{3}\) in the mixture is ...........(Rounded-off to the nearest integer)

37574 During halogen test, sodium fusion extract is boiled with concentrated \(HNO _{3}\) to ... .

37575 Phenolic group can be identified by a positive:

37576 A reagent which gives brilliant red precipitate with Nickel ions in basic medium is

37572 \(10.0\, ml\) of \(Na _{2} CO _{3}\) solution is titrated against \(0.2\, M\, HCl\) solution. The following titre values were obtained in \(5\) readings.\(4.8 \,ml , 4.9 \,ml , 5.0\, ml , 5.0\, ml\) and \(5.0\, ml\)Based on these readings, and convention of titrimetric estimation of concentration of \(Na _{2} CO _{3}\) solution is .... \(mM\)(Round off to the Nearest integer)

37573 \(0.4 \,g\) mixture of \(NaOH , Na _{2} CO _{3}\) and some inert impurities was first titrated with \(\frac{ N }{10} HCl\) using phenolphthalein as an indicator, \(17.5\, mL\) of \(HCl\) was required at the end point. After this methyl orange was added and titrated. \(1.5\, mL\) of same \(HCl\) was required for the next end point. The weight percentage of \(Na _{2} CO _{3}\) in the mixture is ...........(Rounded-off to the nearest integer)

37574 During halogen test, sodium fusion extract is boiled with concentrated \(HNO _{3}\) to ... .

37575 Phenolic group can be identified by a positive:

37576 A reagent which gives brilliant red precipitate with Nickel ions in basic medium is