Practice Question and Answer
8 Q: Which country stops postal exchange with India recently?
3578 05d930e6cbc45ad7944d99817
5d930e6cbc45ad7944d99817- 1Israelfalse
- 2Iraqfalse
- 3Afghanistanfalse
- 4Pakistantrue
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Answer : 4. "Pakistan"
Q: The atoms of Germanium, Arsenic, Selenium and Bromine contain _____ shells.
3578 05dbc41a611c6137399690ae4
5dbc41a611c6137399690ae4- 14true
- 23false
- 35false
- 47false
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Answer : 1. "4"
Q: When did Muhammad Ghori invade India for the first time?
3577 05ed5c5a3ebc5ce408e293a77
5ed5c5a3ebc5ce408e293a77- 11172false
- 21175true
- 31178false
- 41182false
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Answer : 2. "1175"
Q: If x is less than y by 25% then y exceeds x by : 3577 05cda906740678f4146def8e2
5cda906740678f4146def8e2- 1$$ 33{1\over 3}\% $$true
- 225%false
- 375%false
- 4$$ 66{2\over 3}\% $$false
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Answer : 1. " $$ 33{1\over 3}\% $$"
Explanation :
Q: The study of Heavenly bodies is called 3577 05b5cc6a2e4d2b4197774cbc7
5b5cc6a2e4d2b4197774cbc7- 1Astronomytrue
- 2Astrologyfalse
- 3Astrophysicsfalse
- 4Astronauticsfalse
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Answer : 1. "Astronomy"
Explanation :
Answer: A) Astronomy Explanation: Astronomy is the study of planets and heavenly bodies. Historically, astronomy has focused on observations of heavenly bodies. It is a close cousin to astrophysics. Succinctly put, astrophysics involves the study of the physics of astronomy and concentrates on the behavior, properties and motion of objects out there.
Q: In which game did Sir Donald Bradman receive international fame? 3574 05cda7c9adaf80a0820f09345
5cda7c9adaf80a0820f09345- 1Footballfalse
- 2Wrestlingfalse
- 3Crickettrue
- 4Chessfalse
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Answer : 3. "Cricket"
Q:Change into Indirect speech.
Nitish said to me, " When did you buy this pen?
"Nitish asked me.
3573 05e5f73b8860fb849c8e961ed
5e5f73b8860fb849c8e961ed"Nitish asked me.
- 1when I was to buy that pen.false
- 2when I would buy that pen.false
- 3when I had bought that pen.true
- 4when I was buying that pen.false
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Answer : 3. "when I had bought that pen. "
Q: Is B2+ Paramagnetic or Diamagnetic? 3573 05b5cc69ae4d2b4197774c7ac
5b5cc69ae4d2b4197774c7ac- Show AnswerHide Answer
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Answer :
Explanation :
B2+ is a Paramagnetic. The filled orbitals are σ(1s)22, σ∗(1s)22, σ(2s)22, σ∗(2s)22. The half-filled orbitals are π(2pxx) and π(2pyy). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.