1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
The element with outer electronic configuration $$(n-1) d^2 n s^2$$, where $$n=4$$, would belong to
2
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
Choose the correct option regarding the following statements
Statement 1 Nitrogen has lesser electron gain enthalpy than oxygen.
Statement 2 Oxygen has lesser ionisation enthalpy than nitrogen.
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
Among the given configurations, identify the element which does not belong to the same family as the others?
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which statements among the following are correct about helium?
(i) Liquid helium is used to sustain powerful superconducting magnets.
(ii) Liquid helium is useful to carry low temperature experiments.
(iii) It is a heavy gas.
(iv) It is a flammable gas.
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