PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37321 Which sulphide is soluble in \({\left( {N{H_4}} \right)_2}C{O_3}\)

1 \(SnS\)
2 \(A{s_2}{S_3}\)
3 \(S{b_2}{S_3}\)
4 \(CdS\)
PRACTICAL CHEMISTRY

37322 When acetic acid and \({K_4}Fe{\left( {CN} \right)_6}\) is added to a copper salt, a chocolate precipitate is obtained of the compound

1 Copper cyanide
2 Copper ferrocyanide
3 Basic copper sulphate
4 Basic copper cyanide
PRACTICAL CHEMISTRY

37323 A precipitate of the following would be obtained when \(HCl\) is added to a solution of stannous sulphide \((SnS)\) in yellow ammonium sulphide

1 \(SnS\)
2 \(Sn{S_2}\)
3 \(S{n_2}{S_2}\)
4 \({(N{H_4})_2}Sn{S_3}\)
PRACTICAL CHEMISTRY

37324 When \({H_2}S\) is passed through in \(II\) group sometimes solution becomes milky. It indicates the presence of

1 Acidic salt
2 An oxidising agent
3 Thiosulphate
4 A reducing agent
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PRACTICAL CHEMISTRY

37321 Which sulphide is soluble in \({\left( {N{H_4}} \right)_2}C{O_3}\)

1 \(SnS\)
2 \(A{s_2}{S_3}\)
3 \(S{b_2}{S_3}\)
4 \(CdS\)
PRACTICAL CHEMISTRY

37322 When acetic acid and \({K_4}Fe{\left( {CN} \right)_6}\) is added to a copper salt, a chocolate precipitate is obtained of the compound

1 Copper cyanide
2 Copper ferrocyanide
3 Basic copper sulphate
4 Basic copper cyanide
PRACTICAL CHEMISTRY

37323 A precipitate of the following would be obtained when \(HCl\) is added to a solution of stannous sulphide \((SnS)\) in yellow ammonium sulphide

1 \(SnS\)
2 \(Sn{S_2}\)
3 \(S{n_2}{S_2}\)
4 \({(N{H_4})_2}Sn{S_3}\)
PRACTICAL CHEMISTRY

37324 When \({H_2}S\) is passed through in \(II\) group sometimes solution becomes milky. It indicates the presence of

1 Acidic salt
2 An oxidising agent
3 Thiosulphate
4 A reducing agent
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PRACTICAL CHEMISTRY

37321 Which sulphide is soluble in \({\left( {N{H_4}} \right)_2}C{O_3}\)

1 \(SnS\)
2 \(A{s_2}{S_3}\)
3 \(S{b_2}{S_3}\)
4 \(CdS\)
PRACTICAL CHEMISTRY

37322 When acetic acid and \({K_4}Fe{\left( {CN} \right)_6}\) is added to a copper salt, a chocolate precipitate is obtained of the compound

1 Copper cyanide
2 Copper ferrocyanide
3 Basic copper sulphate
4 Basic copper cyanide
PRACTICAL CHEMISTRY

37323 A precipitate of the following would be obtained when \(HCl\) is added to a solution of stannous sulphide \((SnS)\) in yellow ammonium sulphide

1 \(SnS\)
2 \(Sn{S_2}\)
3 \(S{n_2}{S_2}\)
4 \({(N{H_4})_2}Sn{S_3}\)
PRACTICAL CHEMISTRY

37324 When \({H_2}S\) is passed through in \(II\) group sometimes solution becomes milky. It indicates the presence of

1 Acidic salt
2 An oxidising agent
3 Thiosulphate
4 A reducing agent
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PRACTICAL CHEMISTRY

37321 Which sulphide is soluble in \({\left( {N{H_4}} \right)_2}C{O_3}\)

1 \(SnS\)
2 \(A{s_2}{S_3}\)
3 \(S{b_2}{S_3}\)
4 \(CdS\)
PRACTICAL CHEMISTRY

37322 When acetic acid and \({K_4}Fe{\left( {CN} \right)_6}\) is added to a copper salt, a chocolate precipitate is obtained of the compound

1 Copper cyanide
2 Copper ferrocyanide
3 Basic copper sulphate
4 Basic copper cyanide
PRACTICAL CHEMISTRY

37323 A precipitate of the following would be obtained when \(HCl\) is added to a solution of stannous sulphide \((SnS)\) in yellow ammonium sulphide

1 \(SnS\)
2 \(Sn{S_2}\)
3 \(S{n_2}{S_2}\)
4 \({(N{H_4})_2}Sn{S_3}\)
PRACTICAL CHEMISTRY

37324 When \({H_2}S\) is passed through in \(II\) group sometimes solution becomes milky. It indicates the presence of

1 Acidic salt
2 An oxidising agent
3 Thiosulphate
4 A reducing agent
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