Which one of the following is a false statement
Which one of the following is a false statement Options (a) Cell fluid is an example of sol (b) Butter…
7 years ago
Surface Chemistry and Isolation of Elements
If the adsorbate is held on a surface by weak Van der Walls forces
If the adsorbate is held on a surface by weak Van der Walls forces, the absorption process is called Options…
7 years ago
Which one of the following does not involve coagulation
Which one of the following does not involve coagulation Options (a) Clotting of blood by the use of ferric chloride…
7 years ago
The base principle of Cottrell’s precipitator is
The base principle of Cottrell's precipitator is Options (a) neutralisation of charge on colloidal particles (b) scattering of light (c)…
7 years ago
Activated charcoal is used to remove colouring matter from pure substances.
Activated charcoal is used to remove colouring matter from pure substances.It works by Options (a) oxidation (b) reduction (c) bleaching…
7 years ago
Identify the gas which is readily adsorbed by activated charcoal
Identify the gas which is readily adsorbed by activated charcoal Options (a) N₂ (b) SO₂ (c) H₂ (d) O₂ Correct…
7 years ago
In the extraction of copper from its sulphide ore, the metal is finally obtained
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide…
7 years ago
‘Metals are usually not found as nitrates in their ores”. Out of the following two
'Metals are usually not found as nitrates in their ores''. Out of the following two (i) and (ii) reasons which…
7 years ago
Which property of colloidal solution is not dependent on the charge on colloidal
Which property of colloidal solution is not dependent on the charge on colloidal particles Options (a) Coagulation (b) Electrophoresis (c)…
7 years ago
In the case of auto catalysis
In the case of auto catalysis Options (a) product catalyses (b) solvent catalyses (c) reactant catalyses (d) heat produced in…
7 years ago