SuperCoaching AE/JE by Testbook
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1
Which has highest lattice energy?
Anonymous Quiz
37%
NaCl
24%
KCl
33%
MgO
6%
CaO
What is the area of a circle with radius 5?
Anonymous Quiz
12%
10π
81%
25π
6%
1%
100π
1
Which hybrid orbital explains the bent shape of water (H₂O)?
Anonymous Quiz
8%
sp
59%
sp²
31%
sp³
3%
dsp³
A ball is thrown upwards. At its highest point, its:
Anonymous Quiz
51%
Velocity is zero.
28%
Acceleration is zero.
18%
Both are zero.
2%
None are zero.
1
What is the derivative of f(x) = x²sin(x)?
Anonymous Quiz
17%
2xcos(x)
68%
2xsin(x) + x²cos(x)
7%
x²cos(x)
7%
2cos(x) - x²sin(x)
😁1