1000 Best General Science MCQ-Questions
Q97). ‘No two electrons in an atom can have the same set of four quantum numbers’ is
a).Newton’s law
b).Bohr’s law
c).Aufbau principle
d).Pauli’s exclusion principle
Correct Answer:
Pauli’s exclusion principle
Explanation:
Q98). According to Avogadro’s Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called ____ .
a).a molecule
b).a cation
c).an anion
d).an atom
Correct Answer:
a molecule
Explanation:
Q99). Atoms of an element differ from those of all other elements in
a).atomic number and electronic configuration
b).number of neutrons and number of valence electrons
c).atomic number and number of valence electrons
d).number of neutrons and electronic configuration
Correct Answer:
atomic number and electronic configuration
Explanation:
Q100). Nuclear fission is caused by the impact of
a).neutron
b).proton
c).deuteron
d).electron
Correct Answer:
neutron
Explanation:
Q101). Which of the following rays are more penetrating?
a).Beta rays
b).Alpha rays
c).Gamma rays
d).X-rays
Correct Answer:
Gamma rays
Explanation:
Q102). How many colours the sunlight spectrum has?
a).Three
b).Seven
c).Four
d).Five
Correct Answer:
Seven
Explanation:
Q103). Which is/are the important raw material(s) required in cement industry?
a).Gypsum and Clay
b).Clay
c).Limestone and Clay
d).Limestone
Correct Answer:
Limestone and Clay
Explanation:
Q104). Which type of fire extinguisher is used for petroleum fire?
a).Powder type
b).Liquid type
c).Soda acid type
d).Foam type
Correct Answer:
Powder type
Explanation: