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👍5❤3
If 2 gm of NaOH is present is 200 ml of its solution, its molarity will be
Anonymous Quiz
50%
(a) 0.25
34%
(b) 0.5
10%
(c) 5
7%
(d) 10
👍1
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If an electric dipole is kept in a uniform electric field then resultant electric force on it is :
Anonymous Quiz
64%
(a) always zero
19%
(b) never zero
15%
(c) depend upon capacity of dipole
2%
(d) None
🥰1
The work done in rotating an electric dipole in an electric field:
Anonymous Quiz
48%
(a) W = ME (1 – cos θ)
30%
(b) W = ME tan θ
9%
(c)W = ME sec θ
13%
(d) None
😱1
How many chloride ions are surrounding sodium ion in sodium chloride crystal ?
Anonymous Quiz
41%
(a) 4
31%
(b) 8
21%
(c) 6
7%
(d) 12
Alkali halids do not show Frenkel defect because
Anonymous Quiz
33%
(a) cations and anions have almost equal size
45%
(b) there is a large difference in size of cations and anions
18%
(c) cations and anions have low coordination number
4%
(d) anions cannot be accommodated in voids
👍1
What type of a relation is R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} on the set A – {1, 2, 3, 4}
Anonymous Quiz
24%
(a) Reflexive
33%
(b) Transitive
31%
(c) Symmetric
12%
(d) None of these
⚡1🥰1🤬1
Let E = {1, 2, 3, 4} and F = {1, 2} Then, the number of onto functions from E to F is
Anonymous Quiz
13%
(a) 14
40%
(b) 16
17%
(c) 12
30%
(d) 8
If A, B and C are three sets such that A ∩ B = A ∩ C and A ∪ B = A ∪ C. then
Anonymous Quiz
34%
(a) A = B
36%
(b) A = C
16%
(c) B = C
13%
(d) A ∩ B = d