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Question Of The Day
The correct order of bond dissociation enthalpy of halogens is :
Anonymous Quiz
39%
Cl2 > F2 > Br2 > I2
32%
Cl2 > Br2 > F2 > I2
19%
F2 > Cl2 > Br2 > I2
10%
I2 > Br2 > Cl2 > F2
Question Of The Day
Which of the following cells are found in Porifera only?
Anonymous Quiz
20%
sensory cells
40%
cnidoblasts
21%
gland cells
19%
choanocytes
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Which of these is not a type of relation?
Anonymous Quiz
19%
Reflexive
59%
Surjective
13%
Symmetric
8%
Transitive
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The substances whose compositions are not uniform and different components are mixed are called _______
Anonymous Quiz
34%
Homogenous substances
21%
Pure substances
7%
Elements
38%
Heterogeneous substances
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Find the area of the circle if the radius is 3.14 cm.
Anonymous Quiz
22%
10^22
49%
10^28
17%
10^26
13%
10^24
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A ________ is made up of two or more pure substances which may be in any ratio.
Anonymous Quiz
38%
Mixture
36%
Element
18%
Molecule
8%
Atom
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A ________ is made up of two or more pure substances which may be in any ratio.
Anonymous Quiz
44%
Mixture
36%
Element
13%
Molecule
7%
Atom
The value of sin (45° + θ) – cos (45° – θ) is ?
Anonymous Quiz
15%
2 cosθ
43%
2 sinθ
18%
1
24%
0
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Find the number of 5 letter words which can be formed from word IMAGE without repetition using permutations.
Anonymous Quiz
39%
120
29%
20
21%
60
11%
240
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What is the term used to describe genetic and morphologic similarities between different individuals?
Anonymous Quiz
26%
Offspring
35%
Cell
23%
Gamete
16%
Clone
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Empty set is a _______.
Anonymous Quiz
37%
Infinite set
27%
Universal set
23%
Unknown set
13%
Finite set
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Electric lines of force about a negative point charge are ?
Anonymous Quiz
16%
radial, outwards
47%
radial, inwards
24%
circular anticlockwise
13%
circular clockwise