06. Coagulation
SOLUTIONS

277565 A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $\mathrm{BaCl}_{2}$, and $\mathrm{NaCl}$ required to coagulate the given colloid is in the order

1 $\mathrm{NaCl}>\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}$
2 $\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}>\mathrm{NaCl}$
3 $\mathrm{AlCl}_{3}=\mathrm{NaCl}=\mathrm{BaCl}_{2}$
4 $\mathrm{AlCl}_{3}>\mathrm{BaCl}_{2}>\mathrm{NaCl}$
SOLUTIONS

277568 Among the following the ion which will be more effective for flocculation of $\mathrm{Fe}(\mathrm{OH})_{3}$ solution is

1 $\mathrm{PO}_{4}^{3-}$
2 $\mathrm{SO}_{4}^{2-}$
3 $\mathrm{SO}_{3}^{2-}$
4 $\mathrm{NO}_{3}^{-}$
SOLUTIONS

277569 The formation of association of colloidal particles by addition of electrolyte to form as insoluble precipitate is called

1 Flocculation
2 Emulsification
3 Coagulation
4 Micelle
SOLUTIONS

277575 The coagulation values in millimoles per litre of the electrolyes used for the coagulation of $\mathrm{As}_{2} \mathrm{~S}_{3}$ are given below: I. $(\mathrm{NaCl})=52$,
II. $\left(\mathrm{BaCl}_{2}\right)=\mathbf{0 . 6 9}$,
III. $\left(\mathrm{MgSO}_{4}\right)=0.22$
The correct order of their coagulating power is

1 I $>$ II $>$ III
2 II $>$ I $>$ III
3 III $>$ II $>$ I
4 III $>$ I $>$ II
SOLUTIONS

277577 The pair of compound which cannot exist together solution is

1 $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$
2 $\mathrm{NaHCO}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$
3 $\mathrm{NaHCO}_{3}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$
4 $\mathrm{Na}_{2} \mathrm{CO}_{3}$ and $\mathrm{NaOH}$
SOLUTIONS

277565 A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $\mathrm{BaCl}_{2}$, and $\mathrm{NaCl}$ required to coagulate the given colloid is in the order

1 $\mathrm{NaCl}>\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}$
2 $\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}>\mathrm{NaCl}$
3 $\mathrm{AlCl}_{3}=\mathrm{NaCl}=\mathrm{BaCl}_{2}$
4 $\mathrm{AlCl}_{3}>\mathrm{BaCl}_{2}>\mathrm{NaCl}$
SOLUTIONS

277568 Among the following the ion which will be more effective for flocculation of $\mathrm{Fe}(\mathrm{OH})_{3}$ solution is

1 $\mathrm{PO}_{4}^{3-}$
2 $\mathrm{SO}_{4}^{2-}$
3 $\mathrm{SO}_{3}^{2-}$
4 $\mathrm{NO}_{3}^{-}$
SOLUTIONS

277569 The formation of association of colloidal particles by addition of electrolyte to form as insoluble precipitate is called

1 Flocculation
2 Emulsification
3 Coagulation
4 Micelle
SOLUTIONS

277575 The coagulation values in millimoles per litre of the electrolyes used for the coagulation of $\mathrm{As}_{2} \mathrm{~S}_{3}$ are given below: I. $(\mathrm{NaCl})=52$,
II. $\left(\mathrm{BaCl}_{2}\right)=\mathbf{0 . 6 9}$,
III. $\left(\mathrm{MgSO}_{4}\right)=0.22$
The correct order of their coagulating power is

1 I $>$ II $>$ III
2 II $>$ I $>$ III
3 III $>$ II $>$ I
4 III $>$ I $>$ II
SOLUTIONS

277577 The pair of compound which cannot exist together solution is

1 $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$
2 $\mathrm{NaHCO}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$
3 $\mathrm{NaHCO}_{3}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$
4 $\mathrm{Na}_{2} \mathrm{CO}_{3}$ and $\mathrm{NaOH}$
SOLUTIONS

277565 A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $\mathrm{BaCl}_{2}$, and $\mathrm{NaCl}$ required to coagulate the given colloid is in the order

1 $\mathrm{NaCl}>\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}$
2 $\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}>\mathrm{NaCl}$
3 $\mathrm{AlCl}_{3}=\mathrm{NaCl}=\mathrm{BaCl}_{2}$
4 $\mathrm{AlCl}_{3}>\mathrm{BaCl}_{2}>\mathrm{NaCl}$
SOLUTIONS

277568 Among the following the ion which will be more effective for flocculation of $\mathrm{Fe}(\mathrm{OH})_{3}$ solution is

1 $\mathrm{PO}_{4}^{3-}$
2 $\mathrm{SO}_{4}^{2-}$
3 $\mathrm{SO}_{3}^{2-}$
4 $\mathrm{NO}_{3}^{-}$
SOLUTIONS

277569 The formation of association of colloidal particles by addition of electrolyte to form as insoluble precipitate is called

1 Flocculation
2 Emulsification
3 Coagulation
4 Micelle
SOLUTIONS

277575 The coagulation values in millimoles per litre of the electrolyes used for the coagulation of $\mathrm{As}_{2} \mathrm{~S}_{3}$ are given below: I. $(\mathrm{NaCl})=52$,
II. $\left(\mathrm{BaCl}_{2}\right)=\mathbf{0 . 6 9}$,
III. $\left(\mathrm{MgSO}_{4}\right)=0.22$
The correct order of their coagulating power is

1 I $>$ II $>$ III
2 II $>$ I $>$ III
3 III $>$ II $>$ I
4 III $>$ I $>$ II
SOLUTIONS

277577 The pair of compound which cannot exist together solution is

1 $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$
2 $\mathrm{NaHCO}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$
3 $\mathrm{NaHCO}_{3}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$
4 $\mathrm{Na}_{2} \mathrm{CO}_{3}$ and $\mathrm{NaOH}$
SOLUTIONS

277565 A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $\mathrm{BaCl}_{2}$, and $\mathrm{NaCl}$ required to coagulate the given colloid is in the order

1 $\mathrm{NaCl}>\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}$
2 $\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}>\mathrm{NaCl}$
3 $\mathrm{AlCl}_{3}=\mathrm{NaCl}=\mathrm{BaCl}_{2}$
4 $\mathrm{AlCl}_{3}>\mathrm{BaCl}_{2}>\mathrm{NaCl}$
SOLUTIONS

277568 Among the following the ion which will be more effective for flocculation of $\mathrm{Fe}(\mathrm{OH})_{3}$ solution is

1 $\mathrm{PO}_{4}^{3-}$
2 $\mathrm{SO}_{4}^{2-}$
3 $\mathrm{SO}_{3}^{2-}$
4 $\mathrm{NO}_{3}^{-}$
SOLUTIONS

277569 The formation of association of colloidal particles by addition of electrolyte to form as insoluble precipitate is called

1 Flocculation
2 Emulsification
3 Coagulation
4 Micelle
SOLUTIONS

277575 The coagulation values in millimoles per litre of the electrolyes used for the coagulation of $\mathrm{As}_{2} \mathrm{~S}_{3}$ are given below: I. $(\mathrm{NaCl})=52$,
II. $\left(\mathrm{BaCl}_{2}\right)=\mathbf{0 . 6 9}$,
III. $\left(\mathrm{MgSO}_{4}\right)=0.22$
The correct order of their coagulating power is

1 I $>$ II $>$ III
2 II $>$ I $>$ III
3 III $>$ II $>$ I
4 III $>$ I $>$ II
SOLUTIONS

277577 The pair of compound which cannot exist together solution is

1 $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$
2 $\mathrm{NaHCO}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$
3 $\mathrm{NaHCO}_{3}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$
4 $\mathrm{Na}_{2} \mathrm{CO}_{3}$ and $\mathrm{NaOH}$
SOLUTIONS

277565 A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of $\mathrm{BaCl}_{2}$, and $\mathrm{NaCl}$ required to coagulate the given colloid is in the order

1 $\mathrm{NaCl}>\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}$
2 $\mathrm{BaCl}_{2}>\mathrm{AlCl}_{3}>\mathrm{NaCl}$
3 $\mathrm{AlCl}_{3}=\mathrm{NaCl}=\mathrm{BaCl}_{2}$
4 $\mathrm{AlCl}_{3}>\mathrm{BaCl}_{2}>\mathrm{NaCl}$
SOLUTIONS

277568 Among the following the ion which will be more effective for flocculation of $\mathrm{Fe}(\mathrm{OH})_{3}$ solution is

1 $\mathrm{PO}_{4}^{3-}$
2 $\mathrm{SO}_{4}^{2-}$
3 $\mathrm{SO}_{3}^{2-}$
4 $\mathrm{NO}_{3}^{-}$
SOLUTIONS

277569 The formation of association of colloidal particles by addition of electrolyte to form as insoluble precipitate is called

1 Flocculation
2 Emulsification
3 Coagulation
4 Micelle
SOLUTIONS

277575 The coagulation values in millimoles per litre of the electrolyes used for the coagulation of $\mathrm{As}_{2} \mathrm{~S}_{3}$ are given below: I. $(\mathrm{NaCl})=52$,
II. $\left(\mathrm{BaCl}_{2}\right)=\mathbf{0 . 6 9}$,
III. $\left(\mathrm{MgSO}_{4}\right)=0.22$
The correct order of their coagulating power is

1 I $>$ II $>$ III
2 II $>$ I $>$ III
3 III $>$ II $>$ I
4 III $>$ I $>$ II
SOLUTIONS

277577 The pair of compound which cannot exist together solution is

1 $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$
2 $\mathrm{NaHCO}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$
3 $\mathrm{NaHCO}_{3}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$
4 $\mathrm{Na}_{2} \mathrm{CO}_{3}$ and $\mathrm{NaOH}$