PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37269 A precipitate of calcium oxalate will not dissolve in

1 \(HCl\)
2 \(HN{O_3}\)
3 Aqua-regia
4 Acetic acid
PRACTICAL CHEMISTRY

37270 Sodium sulphite on heating with dilute \(HCl\) liberates a gas which

1 Turns lead acetate paper black
2 Turns acidified potassium dichromate paper green
3 Burns with a blue flame
4 Smells like vinegar
PRACTICAL CHEMISTRY

37271 Starch-iodide paper is used for the test of

1 Iodine
2 Iodide ion
3 Oxidising agent
4 Reducing agent
PRACTICAL CHEMISTRY

37272 Which of the following salt gives white precipitate with \(AgN{O_3}\) solution and dil. \({H_2}S{O_4}\) solution and gives green flame test

1 \(CuC{l_2}\)
2 \(BaC{l_2}\)
3 \(PbC{l_2}\)
4 \(Cu{(N{O_3})_2}\)
PRACTICAL CHEMISTRY

37273 Two gases when mixed give white dense fumes, the gases are

1 \(N{H_3}\) and \(S{O_2}\)
2 \(S{O_2}\) and steam
3 \(N{H_3}\) and \(HCl\)
4 \(N{H_3}\) and \({N_2}O\)
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PRACTICAL CHEMISTRY

37269 A precipitate of calcium oxalate will not dissolve in

1 \(HCl\)
2 \(HN{O_3}\)
3 Aqua-regia
4 Acetic acid
PRACTICAL CHEMISTRY

37270 Sodium sulphite on heating with dilute \(HCl\) liberates a gas which

1 Turns lead acetate paper black
2 Turns acidified potassium dichromate paper green
3 Burns with a blue flame
4 Smells like vinegar
PRACTICAL CHEMISTRY

37271 Starch-iodide paper is used for the test of

1 Iodine
2 Iodide ion
3 Oxidising agent
4 Reducing agent
PRACTICAL CHEMISTRY

37272 Which of the following salt gives white precipitate with \(AgN{O_3}\) solution and dil. \({H_2}S{O_4}\) solution and gives green flame test

1 \(CuC{l_2}\)
2 \(BaC{l_2}\)
3 \(PbC{l_2}\)
4 \(Cu{(N{O_3})_2}\)
PRACTICAL CHEMISTRY

37273 Two gases when mixed give white dense fumes, the gases are

1 \(N{H_3}\) and \(S{O_2}\)
2 \(S{O_2}\) and steam
3 \(N{H_3}\) and \(HCl\)
4 \(N{H_3}\) and \({N_2}O\)
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PRACTICAL CHEMISTRY

37269 A precipitate of calcium oxalate will not dissolve in

1 \(HCl\)
2 \(HN{O_3}\)
3 Aqua-regia
4 Acetic acid
PRACTICAL CHEMISTRY

37270 Sodium sulphite on heating with dilute \(HCl\) liberates a gas which

1 Turns lead acetate paper black
2 Turns acidified potassium dichromate paper green
3 Burns with a blue flame
4 Smells like vinegar
PRACTICAL CHEMISTRY

37271 Starch-iodide paper is used for the test of

1 Iodine
2 Iodide ion
3 Oxidising agent
4 Reducing agent
PRACTICAL CHEMISTRY

37272 Which of the following salt gives white precipitate with \(AgN{O_3}\) solution and dil. \({H_2}S{O_4}\) solution and gives green flame test

1 \(CuC{l_2}\)
2 \(BaC{l_2}\)
3 \(PbC{l_2}\)
4 \(Cu{(N{O_3})_2}\)
PRACTICAL CHEMISTRY

37273 Two gases when mixed give white dense fumes, the gases are

1 \(N{H_3}\) and \(S{O_2}\)
2 \(S{O_2}\) and steam
3 \(N{H_3}\) and \(HCl\)
4 \(N{H_3}\) and \({N_2}O\)
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PRACTICAL CHEMISTRY

37269 A precipitate of calcium oxalate will not dissolve in

1 \(HCl\)
2 \(HN{O_3}\)
3 Aqua-regia
4 Acetic acid
PRACTICAL CHEMISTRY

37270 Sodium sulphite on heating with dilute \(HCl\) liberates a gas which

1 Turns lead acetate paper black
2 Turns acidified potassium dichromate paper green
3 Burns with a blue flame
4 Smells like vinegar
PRACTICAL CHEMISTRY

37271 Starch-iodide paper is used for the test of

1 Iodine
2 Iodide ion
3 Oxidising agent
4 Reducing agent
PRACTICAL CHEMISTRY

37272 Which of the following salt gives white precipitate with \(AgN{O_3}\) solution and dil. \({H_2}S{O_4}\) solution and gives green flame test

1 \(CuC{l_2}\)
2 \(BaC{l_2}\)
3 \(PbC{l_2}\)
4 \(Cu{(N{O_3})_2}\)
PRACTICAL CHEMISTRY

37273 Two gases when mixed give white dense fumes, the gases are

1 \(N{H_3}\) and \(S{O_2}\)
2 \(S{O_2}\) and steam
3 \(N{H_3}\) and \(HCl\)
4 \(N{H_3}\) and \({N_2}O\)
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PRACTICAL CHEMISTRY

37269 A precipitate of calcium oxalate will not dissolve in

1 \(HCl\)
2 \(HN{O_3}\)
3 Aqua-regia
4 Acetic acid
PRACTICAL CHEMISTRY

37270 Sodium sulphite on heating with dilute \(HCl\) liberates a gas which

1 Turns lead acetate paper black
2 Turns acidified potassium dichromate paper green
3 Burns with a blue flame
4 Smells like vinegar
PRACTICAL CHEMISTRY

37271 Starch-iodide paper is used for the test of

1 Iodine
2 Iodide ion
3 Oxidising agent
4 Reducing agent
PRACTICAL CHEMISTRY

37272 Which of the following salt gives white precipitate with \(AgN{O_3}\) solution and dil. \({H_2}S{O_4}\) solution and gives green flame test

1 \(CuC{l_2}\)
2 \(BaC{l_2}\)
3 \(PbC{l_2}\)
4 \(Cu{(N{O_3})_2}\)
PRACTICAL CHEMISTRY

37273 Two gases when mixed give white dense fumes, the gases are

1 \(N{H_3}\) and \(S{O_2}\)
2 \(S{O_2}\) and steam
3 \(N{H_3}\) and \(HCl\)
4 \(N{H_3}\) and \({N_2}O\)