Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solution:
Q-78: When dimethyl amine is dissolve in solution then the percentage dissociation of dimethyl amine is:
Options:
(1)
(2)
(3)
(4)
Answer: (3)
Solution:
Q-79:
Assertion: A spherical water drops become flat on flatter surface.
Reason: It become flat due to gravity.
Answer: (1)
Q-80: A chemical reaction: is acting as limiting reagent then choose the correct option. The limiting reagent is:
Options:
(1)
(2)
(3)
(4)
Answer: (3)
Q-81: Which of the following can react with
Options:
(1)
(2)
(3)
(4)
Answer: (1)