SuperCoaching AE/JE by Testbook
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Which of the following is NOT a type of chemical bond?
Anonymous Quiz
6%
Ionic
28%
Covalent
20%
Metallic
46%
Gravitational
1
What is the derivative of f(x) = x²sin(x)?
Anonymous Quiz
20%
2xcos(x)
71%
x²cos(x) + 2xsin(x)
7%
2sin(x)
2%
x²cos(x)
A ball bounces to 80% of its initial height. What % of its initial energy is lost?
Anonymous Quiz
19%
80%
59%
20%
15%
36%
6%
64%
1
A train travels 60kmph for 2 hrs, then 80kmph for 1.5 hrs. Avg speed?
Anonymous Quiz
39%
68.57
30%
70
18%
72
13%
74.29
What is the area of a circle with radius 3?
Anonymous Quiz
11%
69%
13%
6%
12π
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3
Which molecule has the *highest* dipole moment?
Anonymous Quiz
17%
CO2
32%
BF3
43%
H2O
9%
CH4