Properties of Colloids
CHXII05:SURFACE CHEMISTRY

320866 Which of the following substance gives a positively charged sol?

1 Gold
2 Arsenious sulphide
3 Starch
4 Ferric hydroxide
CHXII05:SURFACE CHEMISTRY

320867 Equal volume of each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and another obtained by adding KI to slight excess of AgNO3, are mixed together. Then

1 The two sols will stabilise each other
2 The sol particles will acquire more electric charge
3 The sols will coagulate each other mutually
4 A true solution will be obtained
CHXII05:SURFACE CHEMISTRY

320868 The migration of colloidal particles under the influence of an electric field is known as

1 Electro-osmosis
2 Brownian movement
3 Cataphoresis
4 Dialysis
CHXII05:SURFACE CHEMISTRY

320866 Which of the following substance gives a positively charged sol?

1 Gold
2 Arsenious sulphide
3 Starch
4 Ferric hydroxide
CHXII05:SURFACE CHEMISTRY

320867 Equal volume of each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and another obtained by adding KI to slight excess of AgNO3, are mixed together. Then

1 The two sols will stabilise each other
2 The sol particles will acquire more electric charge
3 The sols will coagulate each other mutually
4 A true solution will be obtained
CHXII05:SURFACE CHEMISTRY

320868 The migration of colloidal particles under the influence of an electric field is known as

1 Electro-osmosis
2 Brownian movement
3 Cataphoresis
4 Dialysis
CHXII05:SURFACE CHEMISTRY

320869 How many of the following are positively charged sols?
Gold sol, Sb2 S3 sol, eosin sol, haemoglobin, starch sol, methylene blue sol, aluminium hydroxide sol, gelatin sol

1 7
2 2
3 3
4 1
CHXII05:SURFACE CHEMISTRY

320866 Which of the following substance gives a positively charged sol?

1 Gold
2 Arsenious sulphide
3 Starch
4 Ferric hydroxide
CHXII05:SURFACE CHEMISTRY

320867 Equal volume of each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and another obtained by adding KI to slight excess of AgNO3, are mixed together. Then

1 The two sols will stabilise each other
2 The sol particles will acquire more electric charge
3 The sols will coagulate each other mutually
4 A true solution will be obtained
CHXII05:SURFACE CHEMISTRY

320868 The migration of colloidal particles under the influence of an electric field is known as

1 Electro-osmosis
2 Brownian movement
3 Cataphoresis
4 Dialysis
CHXII05:SURFACE CHEMISTRY

320869 How many of the following are positively charged sols?
Gold sol, Sb2 S3 sol, eosin sol, haemoglobin, starch sol, methylene blue sol, aluminium hydroxide sol, gelatin sol

1 7
2 2
3 3
4 1
CHXII05:SURFACE CHEMISTRY

320866 Which of the following substance gives a positively charged sol?

1 Gold
2 Arsenious sulphide
3 Starch
4 Ferric hydroxide
CHXII05:SURFACE CHEMISTRY

320867 Equal volume of each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and another obtained by adding KI to slight excess of AgNO3, are mixed together. Then

1 The two sols will stabilise each other
2 The sol particles will acquire more electric charge
3 The sols will coagulate each other mutually
4 A true solution will be obtained
CHXII05:SURFACE CHEMISTRY

320868 The migration of colloidal particles under the influence of an electric field is known as

1 Electro-osmosis
2 Brownian movement
3 Cataphoresis
4 Dialysis
CHXII05:SURFACE CHEMISTRY

320869 How many of the following are positively charged sols?
Gold sol, Sb2 S3 sol, eosin sol, haemoglobin, starch sol, methylene blue sol, aluminium hydroxide sol, gelatin sol

1 7
2 2
3 3
4 1