Which one of the following is not represented by sols [MP PMT 1992]
Tyndall effect
Flocculation
Paramagnetism
Absorption, Tyndall effect and flocculation all are related to sol but paramagnetism is not represented by sol.
When a semiconductor is heated, its resistance
[KCET 1992; MP PMT 1994; MP PET 1992, 2002;RPMT 2001; DCE 2001]
The charge on sol is due to the adsorbed
[MP PMT 1985]
Which of the following represents the first law of Faraday
[MP PMT 1991]