Quiz on Chemistry Set 93

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Quiz on Chemistry Set 93 :

Question 1 : 

Which one radiation has the highest energy ?
A. α-particle
B. β-particles
C. γ-rays
D. None of these

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Correct Ans: Option C

Question 2 : 

The α particles are
A. high energy electrons
B. positively charged hydrogen ions
C. high energy X-ray radiations
D. double positively charged helium nuclei

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Correct Ans: Option D

Question 3 : 

Which of the following is a radioactive element?
A. Sulphur
B. Polonium
C. Tellurium
D. Selenium

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Correct Ans: Option B

Question 4 : 

Emission of β-particle from an atom
A. increases the number of protons in the atom
B. increases the number of neutrons in the atom
C. decreases the number of proton in the atom
D. does not change the number of neutrons and protons in an atom

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Correct Ans: Option A

Question 5 : 

In which process, a nucleus spontaneously breaks down by emitting radiation ?
A. Radioactive decay
B. Fusion
C. Refraction
D. None of these

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Correct Ans: Option A

Question 6 : 

The electronic configuration of atom / ion can be defined by which of the following?
A. Aufbau principle
B. Pauli's exclusion principle
C. Hund's rule
D. All of the above

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Correct Ans: Option D

Question 7 : 

The number of unpaired electrons in carbon atom is
A. 2
B. 4
C. 1
D. 3

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Correct Ans: Option A

Question 8 : 

When spectral lines obtained from atomic spectra is placed in a magnetic field they are splitted into number of fine lines, this is called ..........
A. Stark's effect
B. Photoelectric effect
C. Zeeman's effect
D. None of these

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Correct Ans: Option C

Question 9 : 

The constituent particle of a nucleus in an atom are
A. electron and proton
B. proton and neutron
C. electron and neutron
D. electron, proton and neutron

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Correct Ans: Option B

Question 10 : 

In an atom the order of filling up of the orbitals is governed by
A. Aufbau principle
B. Heisenberg's uncertainly principle
C. Hund's rule
D. Pauli's exclusion principle

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Correct Ans: Option A

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [C],     Q.2 [D],     Q.3 [B],     Q.4 [A],     Q.5 [A],     Q.6 [D],     Q.7 [A],     Q.8 [C],     Q.9 [B],     Q.10 [A],    


Total Questions: 10
Your score:
Subject: Chemistry
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