Which one of the following is an example of adsorption?
Cottrell smoke precipitator works on the principle of:
Volume of one mole of any gas at NTP is
In Freundlich adsorption isotherm x/m = Kp1/n, the value of ‘n’ at low pressure is
According to adsorption theory of catalysis, the speed of the reaction increases because
Which of the following is a lyophobic colloid?
The nature of bonding forces in adsorption are
The protective power of a lyophilic sol is
Tyndall effect confirms the
Which one of the following is alyophilic colloid?
Which shape selective catalyst is used to convert alcohol to gasoline?
Milk is an example of
Lyophillic colloids are stable due to
An emulsifier is a substance which
Presence of traces of arsenious oxide (As2O3) in the reacting gases SO2 and O3 in presence of plantinised asbestos in contact process acts as
Peptization is a process of
The potential difference between the fixed charged layer and the diffused layer having opposite charge is called
The Tyndall effect associated with colloidal particles is due to
In the colloidal state the particle size ranges
The activity of an enzyme becomes ineffective