Adsorption
CHXII05:SURFACE CHEMISTRY

320626 Surface layer of solid means

1 Atoms present in the upper layer of the solid.
2 Atoms present upto a depth of \(100 \mathrm{~nm}\) on the surface.
3 Atoms present in the bulk of the solid.
4 Atoms of surface of solid not preoccupied by other substances.
CHXII05:SURFACE CHEMISTRY

320627 The phenomenon of simultaneous absorption and adsorption is called

1 Chemisorption
2 Absorption
3 Sorption
4 Desorption
CHXII05:SURFACE CHEMISTRY

320628 Which of the following cannot act as an adsorbent?

1 Silica gel
2 Clay
3 Oxygen gas
4 Activated charcoal
CHXII05:SURFACE CHEMISTRY

320629 Some phenomena are given below:
I. Corrosion
II. Electrode process
III. Catalysis
IV. Crystallisation
Which of the above phenomena take place at the interface or surface ? Choose the correct option.

1 I and III
2 I, II and III
3 I, II, III and IV
4 II and III
CHXII05:SURFACE CHEMISTRY

320626 Surface layer of solid means

1 Atoms present in the upper layer of the solid.
2 Atoms present upto a depth of \(100 \mathrm{~nm}\) on the surface.
3 Atoms present in the bulk of the solid.
4 Atoms of surface of solid not preoccupied by other substances.
CHXII05:SURFACE CHEMISTRY

320627 The phenomenon of simultaneous absorption and adsorption is called

1 Chemisorption
2 Absorption
3 Sorption
4 Desorption
CHXII05:SURFACE CHEMISTRY

320628 Which of the following cannot act as an adsorbent?

1 Silica gel
2 Clay
3 Oxygen gas
4 Activated charcoal
CHXII05:SURFACE CHEMISTRY

320629 Some phenomena are given below:
I. Corrosion
II. Electrode process
III. Catalysis
IV. Crystallisation
Which of the above phenomena take place at the interface or surface ? Choose the correct option.

1 I and III
2 I, II and III
3 I, II, III and IV
4 II and III
CHXII05:SURFACE CHEMISTRY

320626 Surface layer of solid means

1 Atoms present in the upper layer of the solid.
2 Atoms present upto a depth of \(100 \mathrm{~nm}\) on the surface.
3 Atoms present in the bulk of the solid.
4 Atoms of surface of solid not preoccupied by other substances.
CHXII05:SURFACE CHEMISTRY

320627 The phenomenon of simultaneous absorption and adsorption is called

1 Chemisorption
2 Absorption
3 Sorption
4 Desorption
CHXII05:SURFACE CHEMISTRY

320628 Which of the following cannot act as an adsorbent?

1 Silica gel
2 Clay
3 Oxygen gas
4 Activated charcoal
CHXII05:SURFACE CHEMISTRY

320629 Some phenomena are given below:
I. Corrosion
II. Electrode process
III. Catalysis
IV. Crystallisation
Which of the above phenomena take place at the interface or surface ? Choose the correct option.

1 I and III
2 I, II and III
3 I, II, III and IV
4 II and III
CHXII05:SURFACE CHEMISTRY

320626 Surface layer of solid means

1 Atoms present in the upper layer of the solid.
2 Atoms present upto a depth of \(100 \mathrm{~nm}\) on the surface.
3 Atoms present in the bulk of the solid.
4 Atoms of surface of solid not preoccupied by other substances.
CHXII05:SURFACE CHEMISTRY

320627 The phenomenon of simultaneous absorption and adsorption is called

1 Chemisorption
2 Absorption
3 Sorption
4 Desorption
CHXII05:SURFACE CHEMISTRY

320628 Which of the following cannot act as an adsorbent?

1 Silica gel
2 Clay
3 Oxygen gas
4 Activated charcoal
CHXII05:SURFACE CHEMISTRY

320629 Some phenomena are given below:
I. Corrosion
II. Electrode process
III. Catalysis
IV. Crystallisation
Which of the above phenomena take place at the interface or surface ? Choose the correct option.

1 I and III
2 I, II and III
3 I, II, III and IV
4 II and III