Which of the following crystals does not exhibit Frenkel defect?
Anonymous Quiz
24%
(a) AgBr
38%
(b) AgCl
24%
(c) KBr
15%
(d) ZnS
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What type of stoichiometric defect is shown by ZnS?
Anonymous Quiz
20%
(a) Schottky defect
34%
(b) Frenkel defect
30%
(c) Both Frenkel and Schottky defects
16%
(d) Non-stoichiometric defect
🤩1
Let us define a relation R in R as aRb if a ≥ b. Then R is
Anonymous Quiz
21%
(a) an equivalence relation
42%
(b) reflexive, transitive but not symmetric
25%
(c) neither transitive nor reflexive but symmetric
12%
(d) symmetric, transitive but not reflexive
🥰1
Let A = {1, 2, 3} and consider the relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)}. Then R is
Anonymous Quiz
40%
(a) reflexive but not symmetric
29%
(b) reflexive-but not transitive.
22%
(c) symmetric and transitive
8%
(d) neither symmetric, nor transitive
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Who sat on the back bench on the last lesson?
Anonymous Quiz
17%
(a) Franz
9%
(b) Prussians
72%
(c) the village people
2%
(d) The new teacher
👍4
What was M. Hamel going to question Franz about?
Anonymous Quiz
71%
(a) participles
14%
(b) adjectives
11%
(c) old primer
4%
(d) Ba be bi bo bu
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Class 11 English | Complete Revision of English For Half Yearly Exam 2023
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A reaction in which reactants (R) are converted into products (P) follows second order kinetics. If concentration of R is increased by four times, what will be the increase in the rate of formation of P?
Anonymous Quiz
17%
(a) 9 times
29%
(b) 4 times
48%
(c) 16 times
6%
(d) 8 times
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For a reaction nx – y → z the rate of reaction becomes twenty seven times when the concentration of X is increased three times. What is the order of the reaction?
Anonymous Quiz
25%
(a) 2
36%
(b) 1
32%
(c) 3
8%
(d) 0
Mukesh wants to learn to become a motor mechanic by
Anonymous Quiz
8%
(a) finding a tutor
77%
(b) going to a garage to learn
7%
(c) by reading books
8%
(d) by joining a school
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What bothers the author most about the bangle makers?
Anonymous Quiz
50%
(a) the stigma of poverty and caste
17%
(b) the affluence of the landlords
21%
(c) the behaviour of the factory owners
11%
(d) the labour laws
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