Some Important Compounds of Calcium
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CHXI10:THE S-BLOCK ELEMENTS

316007 Which of the following compounds does not give a precipitate with excess of \(\mathrm{NaOH}\) ?

1 \(\mathrm{ZnSO}_{4}\)
2 \(\mathrm{FeSO}_{4}\)
3 \(\mathrm{AgNO}_{3}\)
4 \(\mathrm{HgCl}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316008 Excess of sodium hydroxide reacts with zinc to form

1 \(\mathrm{ZnH}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{ZnO}_{2}\)
3 \(\mathrm{ZnO}\)
4 \(\mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316009 Which one of the following is true?

1 \(\mathrm{NaOH}\) is used in the concentration of bauxite ore.
2 \(\mathrm{NaOH}\) is a primary standard in volumetric analysis.
3 Manganous hydroxide is soluble in excess of \(\mathrm{NaOH}\) solution.
4 \(\mathrm{NaOH}\) solution does not react with \(\mathrm{Cl}_{2}\).
KCET - 2011
CHXI10:THE S-BLOCK ELEMENTS

316010 \(\mathrm{NaOH}\) liberates \(\mathrm{NH}_{3}\) with

1 \(\mathrm{NH}_{4} \mathrm{Cl}\)
2 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
3 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\)
4 All the above
CHXI10:THE S-BLOCK ELEMENTS

316011 \(\mathrm{NaOH}\) is sparingly soluble in

1 \(\mathrm{H}_{2} \mathrm{O}\)
2 Ethanol
3 \(\mathrm{CCl}_{4}\)
4 Dil.HCl
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

316007 Which of the following compounds does not give a precipitate with excess of \(\mathrm{NaOH}\) ?

1 \(\mathrm{ZnSO}_{4}\)
2 \(\mathrm{FeSO}_{4}\)
3 \(\mathrm{AgNO}_{3}\)
4 \(\mathrm{HgCl}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316008 Excess of sodium hydroxide reacts with zinc to form

1 \(\mathrm{ZnH}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{ZnO}_{2}\)
3 \(\mathrm{ZnO}\)
4 \(\mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316009 Which one of the following is true?

1 \(\mathrm{NaOH}\) is used in the concentration of bauxite ore.
2 \(\mathrm{NaOH}\) is a primary standard in volumetric analysis.
3 Manganous hydroxide is soluble in excess of \(\mathrm{NaOH}\) solution.
4 \(\mathrm{NaOH}\) solution does not react with \(\mathrm{Cl}_{2}\).
KCET - 2011
CHXI10:THE S-BLOCK ELEMENTS

316010 \(\mathrm{NaOH}\) liberates \(\mathrm{NH}_{3}\) with

1 \(\mathrm{NH}_{4} \mathrm{Cl}\)
2 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
3 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\)
4 All the above
CHXI10:THE S-BLOCK ELEMENTS

316011 \(\mathrm{NaOH}\) is sparingly soluble in

1 \(\mathrm{H}_{2} \mathrm{O}\)
2 Ethanol
3 \(\mathrm{CCl}_{4}\)
4 Dil.HCl
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CHXI10:THE S-BLOCK ELEMENTS

316007 Which of the following compounds does not give a precipitate with excess of \(\mathrm{NaOH}\) ?

1 \(\mathrm{ZnSO}_{4}\)
2 \(\mathrm{FeSO}_{4}\)
3 \(\mathrm{AgNO}_{3}\)
4 \(\mathrm{HgCl}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316008 Excess of sodium hydroxide reacts with zinc to form

1 \(\mathrm{ZnH}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{ZnO}_{2}\)
3 \(\mathrm{ZnO}\)
4 \(\mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316009 Which one of the following is true?

1 \(\mathrm{NaOH}\) is used in the concentration of bauxite ore.
2 \(\mathrm{NaOH}\) is a primary standard in volumetric analysis.
3 Manganous hydroxide is soluble in excess of \(\mathrm{NaOH}\) solution.
4 \(\mathrm{NaOH}\) solution does not react with \(\mathrm{Cl}_{2}\).
KCET - 2011
CHXI10:THE S-BLOCK ELEMENTS

316010 \(\mathrm{NaOH}\) liberates \(\mathrm{NH}_{3}\) with

1 \(\mathrm{NH}_{4} \mathrm{Cl}\)
2 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
3 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\)
4 All the above
CHXI10:THE S-BLOCK ELEMENTS

316011 \(\mathrm{NaOH}\) is sparingly soluble in

1 \(\mathrm{H}_{2} \mathrm{O}\)
2 Ethanol
3 \(\mathrm{CCl}_{4}\)
4 Dil.HCl
For More Updates join with Us
CHXI10:THE S-BLOCK ELEMENTS

316007 Which of the following compounds does not give a precipitate with excess of \(\mathrm{NaOH}\) ?

1 \(\mathrm{ZnSO}_{4}\)
2 \(\mathrm{FeSO}_{4}\)
3 \(\mathrm{AgNO}_{3}\)
4 \(\mathrm{HgCl}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316008 Excess of sodium hydroxide reacts with zinc to form

1 \(\mathrm{ZnH}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{ZnO}_{2}\)
3 \(\mathrm{ZnO}\)
4 \(\mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316009 Which one of the following is true?

1 \(\mathrm{NaOH}\) is used in the concentration of bauxite ore.
2 \(\mathrm{NaOH}\) is a primary standard in volumetric analysis.
3 Manganous hydroxide is soluble in excess of \(\mathrm{NaOH}\) solution.
4 \(\mathrm{NaOH}\) solution does not react with \(\mathrm{Cl}_{2}\).
KCET - 2011
CHXI10:THE S-BLOCK ELEMENTS

316010 \(\mathrm{NaOH}\) liberates \(\mathrm{NH}_{3}\) with

1 \(\mathrm{NH}_{4} \mathrm{Cl}\)
2 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
3 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\)
4 All the above
CHXI10:THE S-BLOCK ELEMENTS

316011 \(\mathrm{NaOH}\) is sparingly soluble in

1 \(\mathrm{H}_{2} \mathrm{O}\)
2 Ethanol
3 \(\mathrm{CCl}_{4}\)
4 Dil.HCl
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

316007 Which of the following compounds does not give a precipitate with excess of \(\mathrm{NaOH}\) ?

1 \(\mathrm{ZnSO}_{4}\)
2 \(\mathrm{FeSO}_{4}\)
3 \(\mathrm{AgNO}_{3}\)
4 \(\mathrm{HgCl}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316008 Excess of sodium hydroxide reacts with zinc to form

1 \(\mathrm{ZnH}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{ZnO}_{2}\)
3 \(\mathrm{ZnO}\)
4 \(\mathrm{Zn}(\mathrm{OH})_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

316009 Which one of the following is true?

1 \(\mathrm{NaOH}\) is used in the concentration of bauxite ore.
2 \(\mathrm{NaOH}\) is a primary standard in volumetric analysis.
3 Manganous hydroxide is soluble in excess of \(\mathrm{NaOH}\) solution.
4 \(\mathrm{NaOH}\) solution does not react with \(\mathrm{Cl}_{2}\).
KCET - 2011
CHXI10:THE S-BLOCK ELEMENTS

316010 \(\mathrm{NaOH}\) liberates \(\mathrm{NH}_{3}\) with

1 \(\mathrm{NH}_{4} \mathrm{Cl}\)
2 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
3 \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\)
4 All the above
CHXI10:THE S-BLOCK ELEMENTS

316011 \(\mathrm{NaOH}\) is sparingly soluble in

1 \(\mathrm{H}_{2} \mathrm{O}\)
2 Ethanol
3 \(\mathrm{CCl}_{4}\)
4 Dil.HCl