Everyday Science MCQs

5120 MCQs  (Page 42 of 512)

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All matter is made of ___________?
A. Air
B. Water
C. Vibrations
D. Atoms
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What are considered the building blocks of matter?
A. Molecules
B. Protons
C. Elements
D. Atoms
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What are the three subatomic particles of an atom?
A. Protons,neutrons & electrons
B. Protons,nucleus & electrons
C. Protons,nucleus & elements.
D. Elements,nucleus & protons
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The protons and neutrons are found in the center of the atom, which is called the _________of the atom?
A. Nucleus
B. Headquarters
C. Hub
D. None of these
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___________are negatively (-) charged particles of an atom?
A. Protons
B. Neutrons
C. Electrons
D. None of these
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____________ have no charge?
A. Neutrons
B. Protons
C. Electrons
D. None of these
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Elements are made of _________?
A. Atoms
B. Molecules
C. H2o
D. Compounds
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_____________ are positively (+) charged particles?
A. Neutrons
B. Electrons
C. Protons
D. None of these
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SI unit of time is_________?
A. Second
B. Kilo gram
C. Meter
D. Volt
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The speed of light is __________?
A. 280,000 km/s
B. 300,000 km/s
C. 320,000 km/s
D. None of these
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Word of the Day
16 Jul
Volatile
(of a substance) easily evaporated at normal temperatures.
بدلتے مزاج والا، کافور صفت

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