JEE PYQ: Surface Chemistry Question 38
Question 38 - 2019 (12 Jan Shift 1)
Type: MCQ
Among the following, the false statement is:
(a) It is possible to cause artificial rain by throwing electrified sand carrying charge opposite to the one on clouds from an aeroplane.
(b) Tyndall effect can be used to distinguish between a colloidal solution and a true solution.
(c) Lyophilic sol can be coagulated by adding an electrolyte.
(d) Latex is a colloidal solution of rubber particles which are positively charged.
Show Answer
Answer: (c)
Solution
Latex is a colloidal solution of negatively charged rubber particles.
BETA
