PRACTICAL CHEMISTRY
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PRACTICAL CHEMISTRY

37265 Which one of the following metals will give blue ash when its salt is heated with \(N{a_2}C{O_3}\) solid and \(Co{\left( {N{O_3}} \right)_2}\) on a charcoal piece

1 \(Cu\)
2 \(Mg\)
3 \(Al\)
4 \(Zn\)
PRACTICAL CHEMISTRY

37266 The metal that does not give the borax bead test is

1 \(Cr\)
2 \(Ni\)
3 \(Na\)
4 \(Mn\)
PRACTICAL CHEMISTRY

37267 When concentrated \({H_2}S{O_4}\) is added to dry \(KN{O_3}\), brown fumes evolve. These fumes are

1 \(S{O_2}\)
2 \(S{O_3}\)
3 \(NO\)
4 \(N{O_2}\)
PRACTICAL CHEMISTRY

37268 Which one of the following salt give green coloured flame when the salt is tested by \(Pt\) wire

1 Barium salt
2 Calcium salt
3 Borate
4 Lead salt
NEET DIGITAL LIBRARY
PRACTICAL CHEMISTRY

37265 Which one of the following metals will give blue ash when its salt is heated with \(N{a_2}C{O_3}\) solid and \(Co{\left( {N{O_3}} \right)_2}\) on a charcoal piece

1 \(Cu\)
2 \(Mg\)
3 \(Al\)
4 \(Zn\)
PRACTICAL CHEMISTRY

37266 The metal that does not give the borax bead test is

1 \(Cr\)
2 \(Ni\)
3 \(Na\)
4 \(Mn\)
PRACTICAL CHEMISTRY

37267 When concentrated \({H_2}S{O_4}\) is added to dry \(KN{O_3}\), brown fumes evolve. These fumes are

1 \(S{O_2}\)
2 \(S{O_3}\)
3 \(NO\)
4 \(N{O_2}\)
PRACTICAL CHEMISTRY

37268 Which one of the following salt give green coloured flame when the salt is tested by \(Pt\) wire

1 Barium salt
2 Calcium salt
3 Borate
4 Lead salt
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PRACTICAL CHEMISTRY

37265 Which one of the following metals will give blue ash when its salt is heated with \(N{a_2}C{O_3}\) solid and \(Co{\left( {N{O_3}} \right)_2}\) on a charcoal piece

1 \(Cu\)
2 \(Mg\)
3 \(Al\)
4 \(Zn\)
PRACTICAL CHEMISTRY

37266 The metal that does not give the borax bead test is

1 \(Cr\)
2 \(Ni\)
3 \(Na\)
4 \(Mn\)
PRACTICAL CHEMISTRY

37267 When concentrated \({H_2}S{O_4}\) is added to dry \(KN{O_3}\), brown fumes evolve. These fumes are

1 \(S{O_2}\)
2 \(S{O_3}\)
3 \(NO\)
4 \(N{O_2}\)
PRACTICAL CHEMISTRY

37268 Which one of the following salt give green coloured flame when the salt is tested by \(Pt\) wire

1 Barium salt
2 Calcium salt
3 Borate
4 Lead salt
For More Updates join with Us
PRACTICAL CHEMISTRY

37265 Which one of the following metals will give blue ash when its salt is heated with \(N{a_2}C{O_3}\) solid and \(Co{\left( {N{O_3}} \right)_2}\) on a charcoal piece

1 \(Cu\)
2 \(Mg\)
3 \(Al\)
4 \(Zn\)
PRACTICAL CHEMISTRY

37266 The metal that does not give the borax bead test is

1 \(Cr\)
2 \(Ni\)
3 \(Na\)
4 \(Mn\)
PRACTICAL CHEMISTRY

37267 When concentrated \({H_2}S{O_4}\) is added to dry \(KN{O_3}\), brown fumes evolve. These fumes are

1 \(S{O_2}\)
2 \(S{O_3}\)
3 \(NO\)
4 \(N{O_2}\)
PRACTICAL CHEMISTRY

37268 Which one of the following salt give green coloured flame when the salt is tested by \(Pt\) wire

1 Barium salt
2 Calcium salt
3 Borate
4 Lead salt
NEET DIGITAL LIBRARY