NEET Wallah
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4
Gadolinium has a low value of third ionisation enthalpy because of
Anonymous Poll
24%
small size
38%
high exchange enthalpy
24%
high electronegativity
14%
high basic character
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A nucleus of mass number 189 splits into two nuclei having mass number 125 and 64. The ratio of radius of two daughter nuclei respectively is
Anonymous Poll
14%
1:1
45%
5:4
34%
25:16
8%
4:5
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On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained
at anode will be
Anonymous Poll
40%
Hydrogen gas
24%
Oxygen gas
21%
H2S gas
15%
SO2 gas
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Which of the following is not a method of ex situ conservation?
Anonymous Poll
30%
In vitro fertilization
20%
Micropropagation
40%
National Parks
10%
Cryopreservation
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👍12
The value of the energy for the first excited state of hydrogen atom will be
Anonymous Poll
56%
– 13.6 eV
25%
– 3.40 eV
12%
– 1.51 eV
7%
– 0.85 eV
2
If n = 3, then the value of 'l ' which is incorrect
Anonymous Poll
30%
0
17%
1
18%
2
35%
3
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12